2020 in paleomammalogy

Last updated
List of years in paleomammalogy
In paleontology
2017
2018
2019
2020
2021
2022
2023
In paleobotany
2017
2018
2019
2020
2021
2022
2023
In arthropod paleontology
2017
2018
2019
2020
2021
2022
2023
In paleoentomology
2017
2018
2019
2020
2021
2022
2023
In paleoichthyology
2017
2018
2019
2020
2021
2022
2023
In paleomalacology
2017
2018
2019
2020
2021
2022
2023
In reptile paleontology
2017
2018
2019
2020
2021
2022
2023
In archosaur paleontology
2017
2018
2019
2020
2021
2022
2023

This paleomammalogy list records new fossil mammal taxa that were described during the year 2020, as well as notes other significant paleomammalogy discoveries and events which occurred during the year.

Contents

Afrotherians

Proboscidea

Proboscidea research

  • A study on dietary differences among Pleistocene proboscideans in North America, and their implications for the knowledge of the causes of extinction of Cuvieronius , is published by Smith & DeSantis (2020). [1]
  • Evidence of dietary resource partitioning among three proboscidean taxa from the early Pliocene locality of Langebaanweg in South Africa ( Anancus capensis , Mammuthus subplanifrons and Loxodonta cookei ) is presented by Groenewald et al. (2020). [2]
  • A study on the morphology of teeth and mandible of "Serridentinus" gobiensis and Miomastodon tongxinensis, as well as on the phylogenetic affinities of these taxa, is published by Wang, Zhang & Li (2020), who reestablish Miomastodon as a genus distinct from Zygolophodon , and transfer S. gobiensis to the genus Miomastodon. [3] update headers and lead
  • A study on the phylogeography of the American mastodon, based on data from 35 complete mitochondrial genomes, is published by Karpinski et al. (2020). [4]

Sirenia

NameNoveltyStatusAuthorsAgeType localityCountryNotesImages

Trichechus hesperamazonicus [5]

Sp. nov

Valid

Perini, Nascimento & Cozzuol

Late Pleistocene

Flag of Brazil.svg  Brazil

A manatee.

Sirenian research

  • The hindlimbs of the quadrupedal sirenian Sobrarbesiren cardieli from the Eocene of Northeastern Spain are described in detail with suggestions on the aquatic locomotion of the species. [6]
  • Review of the Miocene sirenian fossil record from Sardinia is published by Carone & Rizzo, with referral of specimens to Metaxytherium cf. M. krahuletzi, and reaffirmation of "Metaxytherium lovisati" as nomen dubium. [7]

Other afrotherians

NameNoveltyStatusAuthorsAgeType localityCountryNotesImages

Stylolophus major [8]

Sp. nov

Valid

Gheerbrant et al.

Eocene (Ypresian)

Ouled Abdoun

Flag of Morocco.svg  Morocco

An early member of Embrithopoda. Announced in 2020; the final article version was published in 2021.

Miscellaneous afrotherian research

  • A study on the anatomy of the petrosal and inner ear of Ocepeia daouiensis is published by Gheerbrant, Schmitt & Billet (2020). [9]

Euarchontoglires

Primates

NameNoveltyStatusAuthorsAgeType localityCountryNotesImages
Fanchangia [10] Gen. et sp. novValidHarrison et al.Early Miocene Flag of the People's Republic of China.svg  China A member of Pliopithecoidea. Genus includes new species F. jini.

Kapi [11]

Gen. et sp. nov

Valid

Gilbert et al.

Miocene

Flag of India.svg  India

A catarrhine of uncertain affinities; originally identified as a gibbon, but subsequently argued to be a pliopithecoid. [12] Genus includes new species K. ramnagarensis.

Nesomomys [13] Gen. et sp. novValid Beard et al. Eocene (Lutetian) Uzunçarşidere Flag of Turkey.svg  Turkey A member of the family Omomyidae. Genus includes new species N. bunodens. Announced in 2020; the final version of the article naming was published in 2021.

Ucayalipithecus [14]

Gen. et sp. nov

Valid

Seiffert et al.

Paleogene

Santa Rosa locality

Flag of Peru.svg  Peru

A member of the family Parapithecidae. Genus includes new species U. perdita.

General primate research

  • A study aiming to determine whether the relationship between primate brain size and brain shape is characterized by allometry, and whether any such relationship may reflect shared macroevolutionary trends in primate brain shape, based on data from extant and four fossil primates ( Homo heidelbergensis , Australopithecus africanus , Antillothrix bernensis and Archaeolemur sp.), is published by Sansalone et al. (2020). [15]
  • Marigó et al. (2020) describe navicular bones of Anchomomys frontanyensis from the Eocene fossil site of Sant Jaume de Frontanyà-3C (Barcelona, Spain), representing first known navicular bones of an Eocene euprimate from Europe, and evaluate the implications of these fossils for the knowledge of early patterns of locomotor evolution in primates. [16]
  • A study evaluating the potential impact of a large-scale mid-Cenozoic extinction and diversification event on lemurs from Madagascar, based on comparison of the terrestrial vertebrate fauna of Madagascar in the Holocene to that of early Cenozoic continental Africa and on phylogenetic modeling, is published by Godfrey et al. (2020). [17]
  • Virtual endocast of a specimen of Necrolemur antiquus is presented by Harrington, Yapuncich & Boyer (2020), who compare the endocast morphology of N. antiquus with those of other Eocene primates. [18]
  • New fossil material of Ganlea megacanina is described by Jaeger et al. (2020), who evaluate the implications of this finding for the knowledge of the phylogenetic relationships of amphipithecine primates, and interpret amphipithecines as stem anthropoids. [19]
  • A study on the anatomy of the talus of Paralouatta marianae and P. varonai, evaluating its implications for the knowledge of the locomotor behaviors of these primate (especially for the knowledge whether or not Paralouatta represents the first known semi-terrestrial platyrrhine), is published by Püschel et al. (2020). [20]
  • New specimens of Mesopithecus pentelicus, representing the easternmost occurrence of this genus to date, are described from the Miocene site of Shuitangba (Yunnan, China) by Jablonski et al. (2020), who evaluate the implications of these fossils for the knowledge of primate dispersals and paleoecology in the late Miocene. [21]
  • A study on the evolution of the vestibular apparatus in hominoids and on the utility of the study of the inner ear morphology for reconstructions of phylogenetic relationships of fossil apes, based on data from extant anthropoids and two fossil taxa ( Oreopithecus and Australopithecus ), is published by Urciuoli et al. (2020). [22]
  • A study on the biomechanical performance of the patella of Pierolapithecus catalaunicus is published by Pina et al. (2020). [23]
  • A study reevaluating the anatomical evidence for bipedalism in Danuvius guggenmosi is published by Williams et al. (2020). [24] [25]
  • A study on the ecology of fossil hominins and co-existing primates in the Turkana Basin area (circa 4 to 2 Ma), based on data from tooth enamel stable calcium isotope values, is published by Martin et al. (2020). [26]

Paleoanthropological research

  • A study on the impact caused by hard plant tissues in contact with tooth enamel is published by van Casteren et al. (2020), who evaluate the implications of their findings for the knowledge of the diet of early hominins. [27]
  • A study on the mandible morphology, chewing biomechanics and probable diet of early hominins is published by Marcé-Nogué et al. (2020). [28]
  • A study on metacarpal trabecular and cortical bone in early hominins, and on its implications for the knowledge of diversity in hominin hand use (especially in Australopithecus sediba ), is published by Dunmore et al. (2020). [29]
  • A study on the phalangeal curvature of a chimpanzee who was raised during the 1930s to live much like a human, having very few opportunities to engage in arboreal activities, is published by Wallace, Burgess & Patel (2020), who attempt to determine the extent to which phalangeal curvature is shaped by arboreal locomotion during life relative to genetic factors, and evaluate the implications of their findings for the interpretations of phalangeal curvature among fossil hominins. [30]
  • A study on the evolution of human brain size, shape, and asymmetry, based on data from apes and from species belonging to the genus Homo , is published by Melchionna et al. (2020), who report evidence indicating a significant shift in the rate of brain shape evolution in the clade including modern humans, Neanderthals and Homo heidelbergensis. [31]
  • Two hominin skulls, representing the earliest definitive occurrence of Paranthropus robustus and the earliest occurrence of a cranium with clear affinities to Homo erectus reported so far, are described from Drimolen (South Africa) by Herries et al. (2020), who interpret their findings as evidence that Homo, Paranthropus and Australopithecus were contemporaneous at ~2 million years ago. [32]
  • A study on the locomotion of two hominins from the Sterkfontein Caves in South Africa (Australopithecus africanus and a geologically younger hominin of uncertain phylogenetic placement, either Paranthropus robustus or a member of the genus Homo), testing for evidence of committed terrestrial bipedalism and for significant bouts of climbing, is published by Georgiou et al. (2020). [33] [34] [35]
  • A study on changes of the diet of the hominins from the Shungura and Usno Formations (Ethiopia) through time, as indicated by carbon isotope data, is published by Wynn et al. (2020). [36]
  • A study on the maturational pattern of Paranthropus robustus , based on data from fossils from the Kromdraai B cave site (South Africa), is published by Cazenave et al. (2020), who report evidence indicating that P. robustus had a maturational pattern that more closely approached the extant ape rather than the human condition. [37]
  • A study on the histology of a third permanent molar of a specimen of Paranthropus robustus from the Swartkrans site (South Africa), evaluating its implications for the knowledge of the timing of teeth maturation in this hominin, is published by Dean et al. (2020). [38]
  • An approximately 2-million-year-old skull of a male Paranthropus robustus is described from the Drimolen Main Quarry by Martin et al. (2020), who argue that the morphology of this specimen refutes existing hypotheses of sexual dimorphism in this hominin, and instead documents microevolutionary changes within this species. [39]
  • Detailed comparative description of the DNH 7 skull from Drimolen is published by Rak et al. (2020). [40]
  • Richmond et al. (2020) report the first associated hand and upper limb skeleton of Paranthropus boisei from the Ileret site (Kenya). [41]
  • A study aiming to determine the length of the Achilles tendon in Australopithecus is published by McNutt & DeSilva (2020). [42]
  • A study on the anatomy of the atlas of the Australopithecus specimen Stw 573 ("Little Foot") and an additional Australopithecus specimen StW 679 from the Sterkfontein Member 4 (South Africa, evaluating their implications for the knowledge of kinematics of head-neck movements and blood supply contributing to brain metabolism in Australopithecus is published by Beaudet et al. (2020). [43]
  • A study on brain organization and growth in Australopithecus afarensis is published by Gunz et al. (2020). [44]
  • A 1.4-million-y-old large bone fragment shaped into handaxe-like form is described from the Konso Formation (Ethiopia) by Sano et al. (2020), expanding the documented technological repertoire of African Early Pleistocene Homo. [45] [46] [47]
  • An assemblage of immature remains of Homo naledi , including the first partial skeleton of a juvenile member of this species, is reported from the Dinaledi Chamber of the Rising Star Cave (South Africa) by Bolter et al. (2020). [48]
  • Bolter & Cameron (2020) utilize the methods used to study human growth and development for the reconstruction of ontogeny of Homo naledi. [49]
  • A study on the morphology of the mandibular premolars of Homo naledi, and on its implications for the knowledge of possible evolutionary links between H. naledi and hominins from Sterkfontein and Swartkrans, is published by Davies et al. (2020). [50]
  • A study on the timing of the first appearance of Homo erectus at the Sangiran site (Indonesia) is published by Matsu'ura et al. (2020). [51]
  • Semaw et al. (2020) report the discovery of crania of Homo erectus and both Acheulean and Oldowan artifacts at the Busidima North and Dana Aoule North sites (Gona, Afar, Ethiopia), and interpret these findings as evidence of behavioral diversity and flexibility of H. erectus. [52]
  • Reconstruction of the thorax of the juvenile H. erectus skeleton KNM-WT 15000 from Nariokotome (Kenya) is presented by Bastir et al. (2020), who evaluate the implications of the anatomy of this individual for the knowledge of the evolution of the modern human body shape. [53]
  • A study on the anatomy of the Dali Man is published by Wu (2020). [54]
  • Welker et al. (2020) present tooth enamel proteomes of Homo antecessor from Atapuerca (Spain) and Homo erectus from Dmanisi (Georgia), and evaluate the implications of their findings for the knowledge of the phylogenetic placement of H. antecessor. [55]
  • A study on tooth enamel development in hominins from the paleontological sites of the Atapuerca complex, aiming to determine whether the Atapuerca hominins shared a suite or pattern of dental developmental characteristics with Homo sapiens, is published by Modesto-Mata et al. (2020). [56]
  • A study on the morphology of hominin bones from the Sima de los Huesos site (Atapuerca, Spain) is published by Bartsiokas & Arsuaga (2020), who interpret their findings as likely evidence of hibernation in the Atapuerca hominins. [57]
  • A study on the age of the Kabwe 1 skull from Broken Hill (Zambia), and on its implications for the knowledge of human evolution, is published by Grün et al. (2020). [58]
  • Evidence of interbreeding between common ancestors of Neanderthals and Denisovans with a different hominin population that separated from other humans about 2 million years ago is presented by Rogers, Harris & Achenbach (2020). [59]
  • Petr et al. (2020) sequence Y chromosomes from Neanderthals and Denisovans, and evaluate the implications of their findings for the knowledge of the evolutionary history of Neanderthals and Denisovans. [60]
  • Zhang et al. (2020) report the discovery of Denisovan mitochondrial DNA from sediments of the Baishiya Karst Cave deposited ~100 thousand, ~60 thousand and possibly as recently as ~45 thousand years ago, and interpret their findings as evidence of long-term occupation of this cave by Denisovans. [61]
  • A study on the early life of Neanderthals, based on data from three Neanderthal individuals from northeastern Italy, is published by Nava et al. (2020), who interpret their findings as indicating that the modern human nursing strategy was present among these Neanderthals. [62]
  • A study on the exploitation of bivalves by Neanderthals from the Moscerini cave site (Italy) is published by Villa et al. (2020), who report evidence indicating that Neanderthals collected aquatic resources by skin diving. [63]
  • Zilhão et al. (2020) present evidence from the Figueira Brava site on the Atlantic coast of Portugal indicating that Middle Paleolithic Neanderthals from this site exploited marine resources at a scale on par with the modern human–associated Middle Stone Age of southern Africa. [64]
  • A study on an assemblage of Neanderthal remains and Middle Paleolithic artifacts from the Chagyrskaya Cave (Russia) is published by Kolobova et al. (2020), who compare this assemblage with other Altai sites, and interpret their findings as evidence of at least two Neanderthal incursions into southern Siberia. [65]
  • A high-quality genome of a Neanderthal from the Chagyrskaya Cave is sequenced by Mafessoni et al. (2020), who interpret the data from the genes expressed in the striatum of the brain as indicating that the striatum may have evolved unique functions in Neanderthals. [66]
  • Evidence of use of fibre technology by Neanderthals is reported from the Abri du Maras site (France) by Hardy et al. (2020), who evaluate the implications of this finding for the knowledge of cognitive abilities of Neanderthals. [67]
  • García-Martínez et al. (2020) reconstruct the ribcages of perinatal and infant Neanderthal individuals, and report evidence indicating that most of the skeletal differences between the Neanderthal and modern human thorax were already largely established at birth. [68]
  • Two new reconstructions of the Kebara 2 pelvis are presented by Adegboyega et al. (2020), who evaluate the implications of this specimen for the knowledge of the Neanderthal pelvic morphology. [69]
  • Evidence of stable climatic and environmental conditions in Apulia (Italy) during the Middle to Upper Palaeolithic transition, when Neanderthals and modern humans coexisted, is presented by Columbu et al. (2020), who interpret their findings as indicating that climate did not play a key role in the disappearance of Neanderthals in this area. [70]
  • A study on the biological affinities of the Olduvai Hominid 1 is published by Willman et al. (2020), who also report evidence from tooth wear indicating that this individual wore three facial piercings. [71]
  • A study on environmental dynamics associated with the replacement of the Acheulean by early Middle Stone Age, aiming to determine how shifts in landscape-scale ecological resources might have influenced hominin adaptation during this interval on the basis of data from the Olorgesailie basin, is published by Potts et al. (2020). [72]
  • A study on an assemblage more than 400 Late Pleistocene human footprints from Engare Sero (Tanzania), and on their implications for the knowledge of the body sizes, locomotor behaviors and composition of the group of humans who generated these tracks, is published by Hatala et al. (2020), who interpret these tracks as likely evidence of cooperative and sexually divided foraging behaviors in Late Pleistocene humans. [73]
  • Wadley et al. (2020) report the discovery of grass bedding likely used to create comfortable areas for sleeping and working by people who lived in Border Cave (South Africa) at least 200,000 years ago. [74]
  • A study on the evolution of early symbolic behavior in Homo sapiens, based on data from the engraved ochre and ostrich eggshell fragments from the South African Blombos Cave and Diepkloof Rock Shelter dating up to about 100,000 years ago, is published by Tylén et al. (2020). [75]
  • Hublin et al. (2020) report the discovery and study the age of human remains found in association with Initial Upper Paleolithic artefacts from the Bacho Kiro cave (Bulgaria), and argue that this assemblage represents the earliest arrival of Upper Paleolithic Homo sapiens in Europe reported so far; [76] a study on the 14C chronology of this site is published by Fewlass et al. (2020). [77]
  • Newborns from a double grave from the Gravettian site Krems-Wachtberg (Austria) are identified as the earliest known case of monozygotic twins by Teschler-Nicola et al. (2020). [78]
  • A study on the genome of a ~34,000-year-old hominin skull cap discovered in the Salkhit Valley in northeastern Mongolia is published by Massilani et al. (2020), who present evidence indicating that this individual was a woman from a modern human population carrying genomic segments of Denisovan ancestry derived from the same Denisovan admixture event that contributed to present-day mainland Asians. [79]
  • Evidence indicating that the Paleolithic colonization of the Ryukyu Islands was a result of active and continued exploration, backed up by technological advancement, is presented by Kaifu et al. (2020). [80]
  • A study aiming to determine the varying reliance of early human colonisers of Wallacea on tropical forest and terrestrial versus marine resources, as indicated by stable carbon and oxygen isotope data from human and faunal tooth enamel from six Late Pleistocene/Holocene archaeological sequences on Timor and Alor Island, is published by Roberts et al. (2020). [81]
  • Bordes et al. (2020) identify bone micro-residues on two cobbles from the Cerutti Mastodon site (California, United States), and interpret this finding as evidence supporting human agency on bone and stone artefacts from this site. [82]
  • Evidence from fecal biomarkers indicating that pre-Clovis coprolites from the Paisley Caves complex (Oregon, United States) are human is presented by Shillito et al. (2020). [83]
  • A study on the timing of the peopling of the Americas, based on chronometric data from 42 North American and Beringian archaeological sites, is published by Becerra-Valdivia & Higham (2020). [84]
  • Evidence of human presence in the Americas during the Last Glacial Maximum is reported from the Chiquihuite Cave (Zacatecas, Mexico) by Ardelean et al. (2020), who interpret their findings as pushing back dates for human dispersal to the region possibly as early as 33,000–31,000 years ago. [85]
  • A study on the age and duration of the Clovis complex is published by Waters, Stafford & Carlson (2020). [86]
  • Two Early Holocene hunter-gatherer burials, including a burial of a young adult woman associated with a hunting toolkit of stone projectile points and animal processing tools, are reported from the Wilamaya Patjxa site (Peru) by Haas et al. (2020), who also review other Late Pleistocene and Early Holocene burials throughout the Americas, and interpret their findings as consistent with nongendered labor practices in which early hunter-gatherer women were big-game hunters. [87]

Rodents

NameNoveltyStatusAuthorsAgeType localityCountryNotesImages
Anomalomys grytsivensis [88] Sp. novIn pressNesin & Kovalchuk Miocene Flag of Ukraine.svg  Ukraine A member of the family Anomalomyidae
Argaleogaulus [89] Gen. et sp. novValidKorth & Kron Arikareean Troublesome Flag of the United States.svg  United States
(Flag of Colorado.svg  Colorado)
A member of the family Mylagaulidae. Genus includes new species A. primoticus.
Arvicola nahalensis [90] Sp. novValidMaul, Rabinovich & BitonLate PleistoceneFlag of Israel.svg  Israel A species of Arvicola . Announced in 2020; the final version of the article naming it was published in 2021.
Balantiomys coloradensis [89] Sp. novValidKorth & KronTroublesomeFlag of the United States.svg  United States
(Flag of Colorado.svg  Colorado)
A member of the family Heteromyidae.
Bibimys massoiai [91] Sp. novValidDas Neves et al.Late QuaternaryFlag of Brazil.svg  Brazil A species of Bibimys .
Borikenomys [92] Gen. et sp. novMarivaux et al.late Early Oligocene San Sebastián Flag of the United States.svg  United States
(Flag of Puerto Rico.svg  Puerto Rico)
A member of the superfamily Chinchilloidea, possibly belonging to the family Dinomyidae. The type species is B. praecursor.
Ceratogaulus cornutasagma [93] Sp. novValidCalede & SamuelsFlag of the United States.svg  United States
(Flag of Nebraska.svg  Nebraska)
"Cricetodon" venczeli [94] Sp. novValidHír, Codrea & Prieto Miocene Flag of Romania.svg  Romania A large hamster. Announced in 2019; the final version of the article naming it was published in 2020.
Ctenomys viarapaensis [95] Sp. novIn pressDe Santi et al. Holocene Flag of Argentina.svg  Argentina A tuco-tuco
Cupidinimus robinsoni [89] Sp. novValidKorth & KronTroublesomeFlag of the United States.svg  United States
(Flag of Colorado.svg  Colorado)
A member of the family Heteromyidae.
Entoptychus rensbergeri [89] Sp. novValidKorth & KronTroublesomeFlag of the United States.svg  United States
(Flag of Colorado.svg  Colorado)
A gopher.
Episiphneus dalianensis [96] Sp. novValidQin et al.Late Pliocene Flag of the People's Republic of China.svg  China A zokor. Announced in 2020; the final version of the article naming it was published in 2021.
Golunda aouraghei [97] Sp. novValidPiñero et al.Pliocene-Pleistocene boundaryFlag of Morocco.svg  Morocco A relative of the Indian bush rat
Gregorymys mixtecorum [98] Sp. novValidOrtiz-Caballero, Jiménez-Hidalgo & Bravo-CuevasOligocene (Arikareean)Flag of Mexico.svg  Mexico A gopher.
Gregorymys montanus [89] Sp. novValidKorth & KronTroublesomeFlag of the United States.svg  United States
(Flag of Colorado.svg  Colorado)
A gopher.
Gregorymys tavenneri [99] Sp. novValidCalede & Rasmussen Arikareean Renova Flag of the United States.svg  United States
(Flag of Montana.svg  Montana)
A gopher.
Harrymys cyanothos [89] Sp. novValidKorth & KronTroublesomeFlag of the United States.svg  United States
(Flag of Colorado.svg  Colorado)
A member of the family Heteromyidae.
Harrymys taussigi [89] Sp. novValidKorth & KronTroublesomeFlag of the United States.svg  United States
(Flag of Colorado.svg  Colorado)
A member of the family Heteromyidae.
Honeymys [100] Gen. et comb. novValidMartin et al. Miocene (Clarendonian)Flag of the United States.svg  United States
(Flag of Nebraska.svg  Nebraska
Flag of Nevada.svg  Nevada
Flag of Oklahoma.svg  Oklahoma)
A member of the family Cricetidae, possibly belonging to the subfamily Sigmodontinae; a new genus for "Copemys" mariae Baskin & Korth (1996). Genus also includes "Copemys" esmeraldensis Clark, Dawson & Wood (1964). [101]
Huerzelerimys asiaticus [102] Sp. novValidWang, Qiu & LiLate Miocene Liushu Flag of the People's Republic of China.svg  China A member of the family Muridae belonging to the subfamily Murinae
Hystrix brevirostra [103] Sp. novValidWang & QiuLate Miocene and early Pliocene Hewangjia
Liushu
Flag of the People's Republic of China.svg  China A species of Hystrix .
Luantus sompallwei [104] Sp. novIn pressSolórzano et al. Miocene Cura-Mallín Flag of Chile.svg  Chile A member of Caviomorpha.
Namaphiomys [105] Gen. et sp. novValid Pickford Eocene Flag of Namibia.svg  Namibia A member of Phiomorpha of uncertain phylogenetic placement. The type species is N. scopulus.
Oregonomys perilaccos [89] Sp. novValidKorth & KronTroublesomeFlag of the United States.svg  United States
(Flag of Colorado.svg  Colorado)
A member of the family Heteromyidae.
Paraethomys baeticus [106] Sp. novValidPiñero & Verzi Pliocene (Ruscinian) Baza Flag of Spain.svg  Spain A member of the family Muridae belonging to the subfamily Murinae.
Pareumys flynni [107] Sp. novValidKorth Eocene (Bridgerian and Uintan) Washakie Flag of the United States.svg  United States
(Flag of Wyoming.svg  Wyoming)
A member of the family Cylindrodontidae.
Pareumys muffleri [108] Sp. novValidLofgren et al. Eocene Flag of the United States.svg  United States
(Flag of Montana.svg  Montana)
Pauromys turnbulli [107] Sp. novValidKorth Eocene (Uintan) Washakie Flag of the United States.svg  United States
(Flag of Wyoming.svg  Wyoming)
A member of the family Sciuravidae.
Perasciuravus [109] Gen. et sp. novValidKorthEocene (Bridgerian)WashakieFlag of the United States.svg  United States
(Flag of Wyoming.svg  Wyoming)
A member of the family Sciuravidae. Genus includes new species P. mcintoshi.
Petaurista tetyukhensis [110] Sp. novValidTiunov & Gimranov Late Pleistocene Flag of Russia.svg  Russia A species of Petaurista . Announced in 2019; the final version of the article naming it was published in 2020.
Pleurolicus compressus [89] Sp. novValidKorth & KronTroublesomeFlag of the United States.svg  United States
(Flag of Colorado.svg  Colorado)
A gopher.
Pleurolicus gwinni [99] Sp. novValidCalede & RasmussenArikareeanRenovaFlag of the United States.svg  United States
(Flag of Montana.svg  Montana)
A gopher.
Pleurolicus mensae [89] Sp. novValidKorth & KronTroublesomeFlag of the United States.svg  United States
(Flag of Colorado.svg  Colorado)
A gopher.
Pleurolicus nelsoni [99] Sp. novValidCalede & RasmussenArikareeanRenovaFlag of the United States.svg  United States
(Flag of Montana.svg  Montana)
A gopher.
Pleurolicus rensbergeri [99] Sp. novValidCalede & RasmussenArikareeanRenovaFlag of the United States.svg  United States
(Flag of Montana.svg  Montana)
A gopher.
Protospermophilus parvus [89] Sp. novValidKorth & KronTroublesomeFlag of the United States.svg  United States
(Flag of Colorado.svg  Colorado)
A member of the family Sciuridae.
Pseudocylindrodon yihesubuensis [111] Sp. novValidLiLate Eocene Erlian BasinFlag of the People's Republic of China.svg  China A member of the family Cylindrodontidae.
Rupestromys [105] Gen. et sp. novValidPickfordEoceneFlag of Namibia.svg  Namibia A member of Phiomorpha of uncertain phylogenetic placement. The type species is R. brevirostris.
Schizodontomys bareia [89] Sp. novValidKorth & KronTroublesomeFlag of the United States.svg  United States
(Flag of Colorado.svg  Colorado)
A member of the family Heteromyidae.
Spermophilinus kumkolensis [112] Sp. novValidLi et al. Middle Miocene Shimagou Flag of the People's Republic of China.svg  China A member of the family Sciuridae belonging to the subfamily Sciurinae. Announced in 2019; the final version of the article naming it was published in 2020.
Thisbemys intermedius [113] Sp. novValidKorthBridgerianWashakieFlag of the United States.svg  United States
(Flag of Wyoming.svg  Wyoming)
A member of the family Ischyromyidae.
Thryonomys kamulai [114] Sp. novValidTanabe et al.Late Miocene Nakali Flag of Kenya.svg  Kenya A cane rat.
Uromys aplini [115] Sp. novValidCramb, Hocknull & PriceMiddle Pleistocene Flag of Australia (converted).svg  Australia A species of Uromys .

Rodentian research

  • Description of new fossil material of Cephalomys arcidens from the Deseadan locality of Cabeza Blanca (Argentina), and a study on the species belonging to the genus Cephalomys and on the phylogenetic relationships of cephalomyids, is published by Busker, Dozo & Soto (2020). [116]
  • A study on brain anatomy and size in Neoepiblema acreensis is published by Ferreira et al. (2020). [117]
  • A study on the anatomy of the auditory region of the skull of Prospaniomys priscus is published by Arnaudo, Arnal & Ekdale (2020). [118]
  • A study on the locomotor agility of fossil ischyromyid, sciurid and aplodontid rodents, as inferred from the anatomy of the semicircular canals in their inner ear, is published by Bhagat, Bertrand & Silcox (2020). [119]
  • A study on a specimen of Ischyromys douglassi from the White River Formation of West Canyon Creek (Wyoming, United States), representing the oldest and most complete articulated skeleton yet known of Ischyromys, is published by Rankin, Emry & Asher (2020), who report that this specimen exhibits anatomical sciuromorphy, and evaluate its implications for the knowledge of jaw musculature evolution in rodents. [120]
  • A study on the locomotor behavior of Paramys delicatus is published by Prufrock, Ruff & Rose (2020), who also attempt to determine the body mass of P. delicatus and other early North American paramyines. [121]
  • A study on the morphology of the skull of the endemic dormouse Leithia melitensis from the Pleistocene of Sicily is published by Hennekam et al. (2020), who present a composite digital model of the skull of this rodent. [122]
  • A study on the evolution of island gigantism in fossil dormice from Sicily and the Balearic Islands is published by Hennekam et al. (2020). [123]
  • A study on the diet of Pliocene beavers belonging to the genus Dipoides from the High Arctic Beaver Pond fossil locality (Ellesmere Island, Canada), aiming to determine whether early woodcutting behaviour of beavers was driven by nutritional needs, is published by Plint et al. (2020). [124]
  • Partial mitochondrial genome of the extinct beaver Castoroides is reported by Xenikoudakis et al. (2020), who evaluate the implications of this finding for the knowledge of the origin of aquatic behavior of beavers. [125]
  • A study on the anatomy of the skeleton of Copemys loxodon is published by Ronez, Martin & Pardiñas (2020). [126]
  • A study on the anatomy and phylogenetic relationships of Megaoryzomys curioi is published by Ronez et al. (2020). [127]
  • A study aiming to determine whether insularity might have affected bone metabolism in Late Quaternary murine rodents from Timor is published by Miszkiewicz et al. (2020). [128]

Other euarchontoglires

NameNoveltyStatusAuthorsAgeType localityCountryNotesImages
Alilepus spassovi [129] Sp. novValidSenEarly Pliocene Chepino BasinFlag of Bulgaria.svg  Bulgaria A member of the family Leporidae.
Chiromyoides kesiwah [130] Sp. novValidBeard et al. Tiffanian Flag of the United States.svg  United States
(Flag of Wyoming.svg  Wyoming)
A member of the family Plesiadapidae.
Tonomochota [131] Gen. et 3 sp. novValidTiunov & GusevLate Pleistocene Flag of Russia.svg  Russia A pika. Genus includes new species T. khasanensis, T. sikhotana and T. major. Announced in 2020; the final version of the article naming it was published in 2021.

Miscellaneous euarchontoglires research

Xenarthrans

Cingulata

NameNoveltyStatusAuthorsAgeType localityCountryNotesImages

Chlamydophractus [137] [138]

Gen. et sp. nov

Valid

Barasoain et al.

Late Miocene

Arroyo Chasicó Formation

Flag of Argentina.svg  Argentina

A fairy armadillo.
The type species is C. dimartinoi.

Glyptodon jatunkhirkhi [139]

Sp. nov

Valid

Cuadrelli et al.

Quaternary

Bandera de Bolivia (Estado).svg  Bolivia

Panochthus florensis [140]

Sp. nov

In press

Brambilla, Lopez & Parent

Late Pleistocene

Flag of Argentina.svg  Argentina

A glyptodont.

Prozaedyus scillatoyanei [141]

Sp. nov

Valid

Barasoain et al.

Miocene (Chasicoan)

Loma de Las Tapias Formation

Flag of Argentina.svg  Argentina

An armadillo belonging to the subfamily Euphractinae.

Cingulatan research

Pilosa

NameNoveltyStatusAuthorsAgeType localityCountryNotesImages

Magdalenabradys [143]

Gen. et comb. et sp. nov

Valid

Rincón & McDonald

Miocene (Laventan to Huayquerian)

Urumaco Formation
Villavieja Formation

Flag of Colombia.svg  Colombia
Flag of Venezuela.svg  Venezuela

A Mylodontidae sloth.
The type species is "Pseudoprepotherium" confusum Hirschfeld (1985)
genus also includes new species M. kolossiaia.

Sibotherium [144]

Gen. et sp. nov

Valid

Rincón, Valerio & Laurito

Miocene (Hemphillian)

Curré Formation

Flag of Costa Rica.svg  Costa Rica

A Megatheriidae sloth.
The type species is S. ka.

Xibalbaonyx exinferis [145]

Sp. nov

In press

Stinnesbeck et al.

Pleistocene

Flag of Mexico.svg  Mexico

A Megalonychidae sloth.

Pilosan research

  • A study on the anatomy of the skull of Pronothrotherium typicum, and on the validity of the species assigned to the genus Pronothrotherium, is published by Gaudin et al. (2020). [146]
  • Barbosa et al. (2020) describe a femur of a specimen of Nothrotherium maquinense from the Lapa dos Peixes I cave (Brazil) affected by parosteal osteosarcoma, representing the first case of cancer in a Quaternary non-human mammal reported so far. [147]
  • A study on an assemblage of at least 22 specimens of Eremotherium laurillardi from the Pleistocene locality Tanque Loma (Ecuador) is published by Lindsey et al. (2020), who interpret this assemblage as likely resulting from a mass mortality event, and evaluate its implications for the knowledge of the ecology of ground sloths. [148]
  • Previously unreported postcranial material of the holotype specimen of Xibalbaonyx oviceps, providing information on the locomotion capabilities of this species, is described by Stinnesbeck et al. (2020). [149]
  • A study on the external and internal anatomy of the skull of Catonyx tarijensis is published by Boscaini et al. (2020). [150]
  • A study on the anatomy of the skeleton of the manus of Scelidotherium , and on the phylogenetic relationships of this genus, is published by Nieto et al. (2020). [151]
  • A study on a late Pleistocene assemblage of several individuals of Lestodon armatus from Playa del Barco site (Argentina), aiming to determine the origin of this assemblage and its implications for the knowledge of the biology of L. armatus, is published by Tomassini et al. (2020). [152]
  • A study on the anatomy and phylogenetic relationships of Glossotherium wegneri is published by De Iuliis et al. (2020), who argue against the recognition of Oreomylodon as a distinct genus. [153]
  • A study testing the inhibitory cascade model on the evolution of the dentition of sloths is published by Varela et al. (2020). [154]

Other xenarthans

Miscellaneous xenarthan research

Laurasiatherians

Chiroptera

NameNoveltyStatusAuthorsAgeType localityCountryNotesImages

Cuvierimops penalveri [156]

Sp. nov

Valid

Crespo et al.

Early Miocene

Flag of Spain.svg  Spain

A free-tailed bat.

Macroderma handae [157]

Sp. nov

Valid

Aplin & Armstrong in Armstrong, Aplin & Motokawa

Pliocene or early Pleistocene

Flag of Australia (converted).svg  Australia

Mops kerio [158]

Sp. nov

Valid

Gunnell & Manthi

Pliocene

Kanapoi site

Flag of Kenya.svg  Kenya

Announced in 2018; the final article version was published in 2020.

Mops turkwellensis [158]

Sp. nov

Valid

Gunnell & Manthi

Pliocene

Kanapoi site

Flag of Kenya.svg  Kenya

Announced in 2018; the final article version was published in 2020.

Rousettus pattersoni [158]

Sp. nov

Valid

Gunnell & Manthi

Pliocene

Kanapoi site

Flag of Kenya.svg  Kenya

Announced in 2018; the final article version was published in 2020.

Saccolaimus kenyensis [158]

Sp. nov

Valid

Gunnell & Manthi

Pliocene

Kanapoi site

Flag of Kenya.svg  Kenya

Announced in 2018; the final article version was published in 2020.

Turkanycteris [158]

Gen. et sp. nov

Valid

Gunnell & Manthi

Pliocene

Kanapoi site

Flag of Kenya.svg  Kenya

A very large fruit bat, larger than all extant fruit bats other than select Pteropus and Hypsignathus .
The type species is T. harrisi.
Announced in 2018; final article version published in 2020.

Chiropteran research

  • Part of the humerus of a large-bodied vampire bat (similar in body size to Desmodus draculae ) is described from the late Pliocene or early Pleistocene asphalt-bearing deposit of El Breal de Orocual (Venezuela) by Czaplewski & Rincón (2020), representing one of the oldest vampire bats in the fossil record reported so far. [159]

Notoungulates

NameNoveltyStatusAuthorsAgeType localityCountryNotesImages
Archaeogaia [162] Gen. et sp. novIn pressZimicz et al. Paleocene Mealla Flag of Argentina.svg  Argentina An early notoungulate. Genus includes new species A. macachaae.
Juchuysillu [163] Gen. et sp. novValidCroft & Anaya Miocene Nazareno Bandera de Bolivia (Estado).svg  Bolivia A member of the family Interatheriidae. Genus includes new species J. arenalesensis.
Teratopithecus [164] Gen. et sp. novValidLópez et al.Early Eocene ?Laguna del Hunco Flag of Argentina.svg  Argentina A member of the family Archaeopithecidae. Genus includes new species T. elpidophoros.

Odd-toed ungulates

NameNoveltyStatusAuthorsAgeType localityCountryNotesImages
Amynodontopsis jiyuanensis [175] Sp. novValidWang et al.Middle Eocene Niezhuang Flag of the People's Republic of China.svg  China A member of the family Amynodontidae
"Dihoplus" bethlehemsis [176] Sp. novValidPandolfi, Rivals & Rabinovich Pliocene Israel-Palestine water divideA rhinoceros

Ephyrachyus woodi [177]

Sp. nov

Valid

Bai et al.

Early–middle Eocene

Arshanto

Flag of the People's Republic of China.svg  China

Possibly a member of the family Hyracodontidae.

Gobioceras [177]

Gen. et sp. nov

Junior homonym

Bai et al.

Early Eocene

Arshanto

Flag of the People's Republic of China.svg  China

A relative of Forstercooperia . The type species is G. wangi. The generic name is preoccupied by Gobioceras Bogoslovskaya (1988).

Hyrachyus? tumidus [177]

Sp. nov

Valid

Bai et al.

Early Eocene

Arshanto

Flag of the People's Republic of China.svg  China

A member of the family Hyrachyidae.

Iriritherium [178]

Gen. et sp. nov

Valid

Pickford

Early Miocene

Flag of Uganda.svg  Uganda

A chalicothere belonging to the subfamily Chalicotheriinae. The type species is I. pyroclasticum.

Mesaceratherium tschani [179] Sp. novValidTissier, Antoine & BeckerLate Oligocene Flag of Switzerland (Pantone).svg   Switzerland A rhinoceros.
Rhodopagus guoi [180] Sp. novValidPaepen et al.Eocene (Arshantan) Arshanto Flag of the People's Republic of China.svg  China Announced in 2020; the final version of the article naming was published in 2021.

Triplopus? youjingensis [177]

Sp. nov

Valid

Bai et al.

Early Eocene

Arshanto

Flag of the People's Republic of China.svg  China

A member of Rhinocerotoidea of uncertain phylogenetic placement.

Winamia [178]

Nom. nov

Valid

Pickford

Early Miocene

Flag of Kenya.svg  Kenya

A chalicothere belonging to the subfamily Chalicotheriinae; a replacement name for Butleria de Bonis et al. (1995).

Yimengia chaganense [177]

Sp. nov

Valid

Bai et al.

Early Eocene

Arshanto

Flag of the People's Republic of China.svg  China

A member of Rhinocerotoidea of uncertain phylogenetic placement.

Yimengia magna [177]

Sp. nov

Valid

Bai et al.

Early Eocene

Nomogen

Flag of the People's Republic of China.svg  China

A member of Rhinocerotoidea of uncertain phylogenetic placement.

Even-toed ungulates

NameNoveltyStatusAuthorsAgeType localityCountryNotesImages
Bubalus murrensis extremus [196] Subsp. novValidVislobokova, Tarasenko & LopatinLate Pleistocene Flag of Russia.svg  Russia
(Flag of Moscow oblast.svg  Moscow Oblast)
A subspecies of the European water buffalo.
Cervus canadensis combrayicus [197] Subsp. novValidCroitorLate Pleistocene Flag of France.svg  France A subspecies of the elk. Announced in 2019; the final version of the article naming it was published in 2020.
Geniokeryx [198] Gen. et comb. novValidDucrocqLate Eocene Krabi BasinFlag of Thailand.svg  Thailand A member of the family Anthracotheriidae; a new genus for "Anthracokeryx" thailandicus Ducrocq (1999).
Heliosus [199] Gen. et sp. novValidBurger & Jolley Eocene (Bridgerian) Washakie Flag of the United States.svg  United States
(Flag of Wyoming.svg  Wyoming)
A member of the family Helohyidae. The type species is H. apophis.
Metkatius babbiangalensis [200] Sp. novValidWaqas & Rana Eocene Subathu Flag of India.svg  India A member of the family Raoellidae
Nyanzachoerus nakaliensis [201] Sp. novValidTsubamoto et al.Late Miocene Nakali Flag of Kenya.svg  Kenya A member of the family Suidae belonging to the subfamily Tetraconodontinae
Palembertina [202] Gen. et sp. novValidWeppe et al. Eocene Quercy Phosphorites Flag of France.svg  France A member of the family Cainotheriidae. The type species is P. deplasi.
Paukkaungmeryx [203] Gen. et sp. novValidDucrocq et al.Middle Eocene Pondaung Flag of Myanmar.svg  Myanmar A relative of Archaeomeryx . Genus includes new species P. minutus.

Praemuntiacus [204]

Gen. et comb. nov

Valid

Croitor, Zakharov & Mararescul

Pliocene

Flag of the People's Republic of China.svg  China
Flag of Italy.svg  Italy
Flag of Moldova.svg  Moldova

A small muntjac-like deer. The type species is "Eostyloceros" pidoplitschkoi Korotkevich (1964); genus also includes P. triangularis (Zdansky, 1925).

Prolistriodon [205] Gen. et sp. novValid Pickford et al.Early Miocene Soma Flag of Turkey.svg  Turkey A member of the family Suidae belonging to the subfamily Listriodontinae. The type species is P. smyrnensis.
Qurliqnoria chorakensis [206] Sp. novValidKostopoulos et al. Late Miocene Flag of Turkey.svg  Turkey A stem-caprine bovid. Announced in 2019; the final version of the article naming it was published in 2020.
Stenomeryx [203] Gen. et sp. novValidDucrocq et al. Middle Eocene Pondaung Flag of Myanmar.svg  Myanmar Probably an early chevrotain. Genus includes new species S. bahinensis.

Cetaceans

NameNoveltyStatusAuthorsAgeType localityCountryNotesImages
Ankylorhiza [211] Gen. et comb. novBoessenecker et al. Oligocene Ashley
Chandler Bridge
Flag of the United States.svg  United States
(Flag of South Carolina.svg  South Carolina)
A large dolphin. Genus includes "Squalodon" tiedemani.
Antwerpibalaena [212] Gen. et sp. novValidLavigerie et al. Pliocene Flag of Belgium (civil).svg  Belgium A stem-balaenid. Genus includes new species A. liberatlas.
Archaebalaenoptera liesselensis [213] Sp. novValidBisconti et al. Miocene (Tortonian) Breda Flag of the Netherlands.svg  Netherlands A rorqual
Archaeobalaena [214] Gen. et sp. novValidTanaka, Furusawa & Kimura Pliocene (Zanclean) Chippubetsu Flag of Japan.svg  Japan A member of the family Balaenidae. The type species is A. dosanko.
Atlanticetus [215] Gen. et comb. et sp. novValidBisconti et al. Miocene Calvert
Pietra da Cantoni
Flag of Italy.svg  Italy
Flag of the United States.svg  United States
An early baleen whale. The type species is "Aglaocetus" patulus Kellogg (1968); genus also includes new species A. lavei.
Cozzuoliphyseter [216] Gen. et comb. novValidPaolucci et al.Miocene Gran Bajo del Gualicho Flag of Argentina.svg  Argentina A member of the family Physeteridae; a new genus for "Aulophyseter" rionegrensis.
Dolgopolis [217] Gen. et sp. novValidViglino et al. Miocene (Burdigalian) Gaiman Flag of Argentina.svg  Argentina A toothless platanistoid dolphin. Genus includes new species D. kinchikafiforo. Announced in 2020; the final version of the article naming it was published in 2021.
Ensidelphis [218] Gen. et sp. novValidBianucci et al. Miocene (Burdigalian) Chilcatay Flag of Peru.svg  Peru A member of Platanistoidea. The type species is E. riveroi.
Furcacetus [218] Gen. et sp. novValidBianucci et al. Miocene (Burdigalian) Chilcatay Flag of Peru.svg  Peru A member of the family Squalodelphinidae. The type species is F. flexirostrum.
Marzanoptera [219] Gen. et sp. novValidBisconti et al.PlioceneFlag of Italy.svg  Italy A rorqual. Genus includes new species M. tersillae.
Norisdelphis [220] Gen. et sp. novValidKimura & Hasegawa Miocene (Tortonian) Haraichi Flag of Japan.svg  Japan An oceanic dolphin. Genus includes new species N. annakaensis.
Perditicetus [221] Gen. et sp. novValidNelson & UhenOligocene–Miocene (ChattianAquitanian) Nye Flag of the United States.svg  United States
(Flag of Oregon.svg  Oregon)
A member of Platanistoidea. Genus includes new species P. yaconensis.
Platyscaphokogia [222] Gen. et sp. novValidCollareta et al. Miocene (Messinian) Pisco Flag of Peru.svg  Peru A member of the family Kogiidae belonging to the subfamily Scaphokogiinae. The type species is P. landinii.
Protororqualus wilfriedneesi [223] Sp. novValidBisconti & BosselaersPliocene (Zanclean Kattendijk Sands
Yorktown
Flag of Belgium (civil).svg  Belgium
Flag of the Netherlands.svg  Netherlands
Flag of the United States.svg  United States
(Flag of North Carolina.svg  North Carolina)
Rhaphicetus [224] Gen. et sp. novValidLambert et al. Miocene (Burdigalian) Chilcatay Flag of Peru.svg  Peru A member of Physeteroidea. Genus includes new species R. valenciae.
Samaydelphis [225] Gen. et sp. novValidLambert et al.Miocene (Tortonian) Pisco Flag of Peru.svg  Peru A member of the family Pontoporiidae. Genus includes new species S. chacaltanae.
Scaphokogia totajpe [226] Sp. novValidBenites-Palomino et al.Late Miocene PiscoFlag of Peru.svg  Peru A member of the family Kogiidae.

Carnivorans

NameNoveltyStatusAuthorsAgeType localityCountryNotesImages
Agriotherium hendeyi [260] Sp. novValidJiangzuo & FlynnLate Hemphillian Quiburis Flag of the United States.svg  United States
(Flag of Arizona.svg  Arizona)
Announced in 2019; the final version of the article naming it was published in 2020.

Aurorarctos [261]

Gen. et sp. nov

Jiangzuo & Flynn

Late Barstovian

Flag of the United States.svg  United States
(Flag of Nebraska.svg  Nebraska)

A bear belonging to the subfamily Ursinae. The type species is A. tirawa.

Canis borjgali [235] Sp. nov.ValidBartolini Lucenti et al.Early Pleistocene Dmanisi Flag of Georgia.svg  Georgia An ancestor of wolf-like canids
Circamustela peignei [262] Sp. novValidValenciano et al. Miocene (Vallesian) Cerro de los Batallones fossil siteFlag of Spain.svg  Spain A member of the family Mustelidae belonging to the subfamily Guloninae.
Cryptailurus tinaynakti [263] Sp. novValidBarrett et al. Hemingfordian Mascall Flag of the United States.svg  United States
(Flag of Oregon.svg  Oregon)
A hypercarnivorous feliform
Cynelos stenos [264] Sp. novValidHunt & Yatkola Early Miocene Runningwater Flag of the United States.svg  United States
(Flag of Nebraska.svg  Nebraska)
A bear dog
Cynodictis peignei [265] Sp. novValidLe Verger, Solé & LadevèzeLate Eocene to early Oligocene Quercy Phosphorites Flag of France.svg  France A bear dog
Eodesmus [266] Gen. et sp. novValidTate-Jones et al.Miocene (Burdigalian) Astoria Flag of the United States.svg  United States
(Flag of Oregon.svg  Oregon)
An early member of the family Desmatophocidae. Genus includes new species E. condoni.
Eomonachus [267] Gen. et sp. novValidRule et al. Pliocene Tangahoe Flag of New Zealand.svg  New Zealand A monk seal. Genus includes new species E. belegaerensis.
Ferrucyon [268] Gen. et comb. novValidRuiz-Ramoni et al. Pliocene Flag of Mexico.svg  Mexico A vulpine canid; a new genus for "Cerdocyon" avius.
Jinomrefu [269] Gen. et sp. novValidFriscia et al. PaleogeneNeogene boundaryFlag of Kenya.svg  Kenya A member of the family Barbourofelidae. Genus includes new species J. lakwanza.
Leptoplesictis peignei [270] Sp. novValidGrohé et al. Miocene Mae Moh Basin Flag of Thailand.svg  Thailand A mongoose
Lycophocyon tabrumi [108] Sp. novValidLofgren et al. Eocene Flag of the United States.svg  United States
(Flag of Montana.svg  Montana)
A caniformian carnivoran.
Martes crassidens [271] Sp. novValidJiangzuo et al.Early Pleistocene Flag of the People's Republic of China.svg  China A marten. Announced in 2020; the final version of the article naming it was published in 2021.
Oriensmilus [272] Gen. et sp. novValidWang, White & Guan Middle Miocene Tongxin Flag of the People's Republic of China.svg  China A barbourofeline. Genus includes new species O. liupanensis.
Osodobenus [273] Gen. et sp. novValidBiewer, Velez-Juarbe & Parham Miocene (Messinian) Capistrano Flag of the United States.svg  United States
(Flag of California.svg  California)
A member of the family Odobenidae. The type species is O. eodon.
Panthera balamoides [274] Sp. novValidStinnesbeck et al. Pleistocene Flag of Mexico.svg  Mexico A species of Panthera . Announced in 2018; the final version of the article naming it was published in 2020.
Pontolis barroni [273] Sp. novValidBiewer, Velez-Juarbe & ParhamMiocene (probably Tortonian) Monterey Flag of the United States.svg  United States
(Flag of California.svg  California)
A member of the family Odobenidae.
Pontolis kohnoi [273] Sp. novValidBiewer, Velez-Juarbe & ParhamMiocene (Messinian)CapistranoFlag of the United States.svg  United States
(Flag of California.svg  California)
A member of the family Odobenidae.
Sarcodectes [275] [276] Gen. et sp. novValidRule et al. Pliocene (Zanclean) Yorktown Flag of the United States.svg  United States
(Flag of North Carolina.svg  North Carolina)
An earless seal belonging to the subfamily Monachinae. The type species is S. magnus.
Siamictis [270] Gen. et sp. novValidGrohé et al.Miocene Mae Moh Basin Flag of Thailand.svg  Thailand A member of the family Viverridae belonging to the subfamily Paradoxurinae. The type species is S. carbonensis.
Siamogale bounosa [270] Sp. novValidGrohé et al.Miocene Mae Moh Basin Flag of Thailand.svg  Thailand An otter
Skopelogale [277] Gen. et sp. novValidBaskin Miocene (Barstovian)Flag of the United States.svg  United States
(Flag of Nebraska.svg  Nebraska)
A member of the family Mustelidae of uncertain phylogenetic placement. The type species is S. melitodes.
Storchictis [278] Gen. et comb. novValidDe BonisPossibly middle or late Eocene Quercy phosphorites Flag of France.svg  France A bear dog. The type species is "Cynodon" miacinus Teilhard de Chardin (1915).
Tungurictis peignei [279] Sp. novValid Wang et al. Middle Miocene Suosuoquan Flag of the People's Republic of China.svg  China A hyena
Vishnuonyx maemohensis [270] Sp. novValidGrohé et al.Miocene Mae Moh Basin Flag of Thailand.svg  Thailand An otter

Other laurasiatherians

NameNoveltyStatusAuthorsAgeType localityCountryNotesImages
Africtis [280] Gen. et sp. novIn pressMattingly et al.Early Oligocene Flag of Libya.svg  Libya An early member of Carnivoraformes. Genus includes new species A. sirtensis.
Atelerix steensmai [281] Sp. novValidVan Dam, Mein & AlcaláLate Miocene Teruel BasinFlag of Spain.svg  Spain A hedgehog, a species of Atelerix .
Desmana marci [282] Sp. novValidMinwer-Barakat et al.Early Pliocene Flag of Spain.svg  Spain A relative of the Russian desman.
Ereberix [283] Gen. et sp. novValidLopatinEarly Miocene Loo Flag of Mongolia.svg  Mongolia A member of the family Erinaceidae. Genus includes new species E. erebericulus.
Lantanotherium anthrace [284] Sp. novValidCailleux et al. Miocene Mae Moh Flag of Thailand.svg  Thailand A gymnure.
Leonhardtina meridianum [285] Sp. novValidSolé, Marandat & Lihoreau Eocene Flag of France.svg  France A member of the family Hyaenodontidae.
Matthodon peignei [285] Sp. novValidSolé, Marandat & LihoreauEoceneFlag of France.svg  France A member of the family Hyaenodontidae.
Mesolicaphrium [286] Gen. et comb. novValidMcGrath, Anaya & Croft Miocene (Laventan) Honda Group (La Venta)Flag of Colombia.svg  Colombia A member of Litopterna belonging to the family Proterotheriidae, a new genus for " Prolicaphrium" sanalfonensis.
Oxyaenoides aumelasiensis [285] Sp. novValidSolé, Marandat & LihoreauEoceneFlag of France.svg  France A member of the family Hyaenodontidae.
Plioblarinella [287] Gen. et comb. novValidKoenigswald & Reumer Pliocene Flag of Austria.svg  Austria A shrew belonging to the tribe Blarinellini; a new genus for "Petenyia" dubia
Proscalops brevidens [288] Sp. novValidKorth Oligocene (Whitneyan)Flag of the United States.svg  United States
(Flag of South Dakota.svg  South Dakota)
A soricomorph.
Pseudobrachytherium [289] Gen. et sp. novValidCorona et al. Miocene (Huayquerian) Camacho Flag of Uruguay.svg  Uruguay A member of Litopterna belonging to the family Proterotheriidae. Genus includes new species P. breve.
Pseudotrimylus metaxy [288] Sp. novValidKorthOligocene (Whitneyan)Flag of the United States.svg  United States
(Flag of South Dakota.svg  South Dakota)
A shrew belonging to the subfamily Heterosoricinae. Originally described as a species of Pseudotrimylus , but subsequently transferred to the genus Noritrimylus. [290]
Rodcania [291] Gen. et sp. novValidGelfo, García-López & Bergqvist Paleocene Río Loro Flag of Argentina.svg  Argentina A member of Xenungulata. Genus includes new species R. kakan.
Saltaodus [292] Gen. et sp. novValidGelfo et al. Eocene Lumbrera Flag of Argentina.svg  Argentina A native South American ungulate belonging to the family Didolodontidae. Genus includes new species S. sirolli. Announced in 2019; the final version of the article naming it was published in 2020.
Suncus honeyi [293] Sp. novValidFlynn et al.Late Miocene Dhok Pathan
Nagri
Flag of Pakistan.svg  Pakistan A shrew, a species of Suncus

Miscellaneous laurasiatherian research

  • A review of the origins, evolution and paleoecology of major clades of extinct native South American ungulates is published by Croft, Gelfo & López (2020). [294]
  • Redescription of the type material of Carodnia feruglioi, providing new information on the anatomy of this species, is published by Vera, Fornasiero & del Favero (2020). [295]
  • A study on the phylogenetic relationships of the litopterns is published by Chimento & Agnolin (2020), who recover the litopterns as pan-perissodactyls, and evaluate the palaeobiogeographical implications of litoptern affinities. [296]
  • A study on the dietary habits of Macrauchenia patachonica and Xenorhinotherium bahiense is published by de Oliveira et al. (2020); [297] the study is subsequently criticized by Dantas, Lobo & Bernardes (2020). [298] [299]
  • A study on the anatomy, phylogenetic relationships and likely diet and locomotion of Cambaytherium is published by Rose et al. (2020), who also name a new clade Perissodactylamorpha containing the group Anthracobunia and odd-toed ungulates. [300]

Other eutherians

NameNoveltyStatusAuthorsAgeType localityCountryNotesImages
Bisonalveus gracilis [301] Sp. novValidFox & Scott Paleocene (Tiffanian) Paskapoo Flag of Canada (Pantone).svg  Canada
(Flag of Alberta.svg  Alberta)
A member of the family Pentacodontidae.
Wyonycteris kingi [302] Sp. novValidHooker Paleogene Woolwich Flag of the United Kingdom.svg  United Kingdom A member of the family Nyctitheriidae. Announced in 2018; the final version of the article naming it was published in 2020.

Miscellaneous eutherian research

General eutherian research

Metatherians

NameNoveltyStatusAuthorsAgeType localityCountryNotesImages

Amphidolops intermedius [309]

Sp. nov

Valid

Chornogubsky

Eocene

Huancache Formation
Laguna del Hunco Formation

Flag of Argentina.svg  Argentina

A member of Polydolopimorphia belonging to the family Polydolopidae.

Amphidolops minimus [309]

Sp. nov

Valid

Chornogubsky

Eocene

Tufolitas Laguna del Hunco

Flag of Argentina.svg  Argentina

A member of Polydolopimorphia belonging to the family Polydolopidae.

Apeirodon [310]

Gen. et sp. nov

Valid

Babot et al.

Eocene (Priabonian)

Geste Formation

Flag of Argentina.svg  Argentina

A small bunodont metatherian, possibly an early divergent member of Polydolopimorphia.
Type species A. sorianoi.
Announced in 2019; final published article in 2020.

Aquiladelphis analetris [311]

Sp. nov

Valid

Cohen, Davis & Cifelli

Late Cretaceous

Judith River Formation

Flag of the United States.svg  United States
(Flag of Montana.svg  Montana)

An Aquiladelphidae Pediomyoidea.

Australogale [312]

Gen. et sp. nov

Valid

Engelman, Anaya & Croft

Laventan (Serravallian)

Honda Group

Bandera de Bolivia (Estado).svg  Bolivia

A member of Sparassodonta.
Type species A. leptognathus.
Announced in 2018; final published article in 2020.

Copedelphys superstes [313]

Sp. nov

Valid

Korth et al.

Whitneyan

Brule Formation

Flag of the United States.svg  United States
(Flag of North Dakota.svg  North Dakota)

A member of the family Herpetotheriidae.

Eomakhaira [314]

Gen. et sp. nov

Valid

Engelman et al.

Early Oligocene

Abanico Formation

Flag of Chile.svg  Chile

A Thylacosmilinae Sparassodonta.
Type species is E. molossus.

Glasbius piceanus [311]

Sp. nov

Valid

Cohen, Davis & Cifelli

Late Cretaceous (Edmontonian)

Williams Fork Formation

Flag of the United States.svg  United States
(Flag of Colorado.svg  Colorado)

Hypodolops [309]

Gen. et sp. nov

Valid

Chornogubsky

Eocene

Huancache
Tufolitas Laguna del Hunco

Flag of Argentina.svg  Argentina

A Polydolopidae Polydolopimorphia.
Type species is H. sapoensis.

Lekaneleo [315]

Gen. et comb. nov

Valid

Gillespie, Archer & Hand

OligoceneMiocene

Riversleigh

Flag of Australia (converted).svg  Australia

A marsupial lion;
A new genus for "Priscileo" roskellyae Gillespie (1997)

Mukupirna [316]

Gen. et sp. nov

Valid

Beck et al.

Late Oligocene

Namba Formation

Flag of Australia (converted).svg  Australia

A member of Vombatoidea.
Type species is M. nambensis.

Pujatodon [317]

Gen. et sp. nov

Valid

Goin et al.

Eocene (Ypresian)

La Meseta Formation

Antarctica
(Seymour Island)

A probable Polydolopimorphia.
Type species P. ektopos.
Announced in 2018; final article version published in 2020.

Scalaria [311]

Gen. et 2 sp. nov

Junior homonym

Cohen, Davis & Cifelli

Late Cretaceous (Turonian)

Straight Cliffs Formation

Flag of the United States.svg  United States
(Flag of Utah.svg  Utah)

An aquiladelphid Pediomyoidea.
Genus includes new species S. martini and S. aquilana.
"Scalaria" is preoccupied by Scalaria Lamarck (1801). The replacement name Scalaridelphys was coined in 2021. [318]

Metatherian research

Allotheria

Euharamiyida

NameNoveltyStatusAuthorsAgeType localityCountryNotesImages

Cryoharamiya [327]

Gen. et sp. nov

Valid

Averianov et al.

Early Cretaceous

Batylykh Formation

Flag of Russia.svg  Russia
(Flag of Sakha.svg  Sakha)

An euharamiyidan of uncertain phylogenetic placement.
Type species is C. tarda.

Gondwanatheria

NameNoveltyStatusAuthorsAgeType localityCountryNotesImages

Adalatherium [328] [329] [330] [331] [332] [333] [334] [335]

Gen. et sp. nov

Valid

Krause, Hoffmann, Wible & Rougier in Krause et al.

Late Cretaceous (Maastrichtian)

Maevarano Formation

Flag of Madagascar.svg  Madagascar

A Gondwanatherian.
The type species is A. hui.

Magallanodon [336]

Gen. et sp. nov

Valid

Goin et al.

Late Cretaceous (late Campanian to early Maastrichtian)

Chorrillo Formation [337]
Dorotea Formation

Flag of Argentina.svg  Argentina [337] Flag of Chile.svg  Chile

A Gondwanatherian, possibly a Ferugliotheriidae.
The type species is M. baikashkenke.

Multituberculata

NameNoveltyStatusAuthorsAgeType localityCountryNotesImages

Bructerodon [338]

Gen. et sp. nov

In press

Martin et al.

Early Cretaceous (BarremianAptian)

Flag of Germany.svg  Germany

A pinheirodontid multituberculate. Genus includes new species B. alatus.

Cheruscodon [338]

Gen. et sp. nov

In press

Martin et al.

Early Cretaceous (Barremian–Aptian)

Flag of Germany.svg  Germany

An eobaatarid multituberculate.
Type species C. balvensis.

Dolichoprion [339]

Gen. et sp. nov

Valid

Kusuhashi, Wang & Jin

Early Cretaceous

Fuxin Formation

Flag of the People's Republic of China.svg  China

An eobaatarid multituberculate.
Type species D. lii.
Announced in 2019; the final article version was published in 2020.

Filikomys [340]

Gen. et comb. nov

In press

Weaver et al.

Late Cretaceous

Belly River Group
Judith River Formation
Kaiparowits Formation
Two Medicine Formation

Flag of Canada (Pantone).svg  Canada
(Flag of Alberta.svg  Alberta)
Flag of the United States.svg  United States
(Flag of Montana.svg  Montana
Flag of Utah.svg  Utah
Flag of Wyoming.svg  Wyoming)

A ptilodontoid multituberculate.
Type species is F. primaevus (Lambe, 1902)
Possibly also including "Mesodma" minor Eaton (2002).

Sinobaatar pani [341]

Sp. nov

Valid

Mao et al.

Early Cretaceous (Aptian)

Jiufotang Formation

Flag of the People's Republic of China.svg  China

An eobaatarid multituberculate.

Tagaria [342]

Gen. et sp. nov

Valid

Averianov et al.

Middle Jurassic (Bathonian)

Itat Formation

Flag of Russia.svg  Russia
(Flag of Krasnoyarsk Krai.svg  Krasnoyarsk Krai)

A member of Multituberculata.
Genus includes new species T. antiqua.

Tashtykia [342]

Gen. et sp. nov

Valid

Averianov et al.

Middle Jurassic (Bathonian)

Itat Formation

Flag of Russia.svg  Russia
Flag of Krasnoyarsk Krai.svg  Krasnoyarsk Krai

A multituberculate.
The type species is T. primaeva.

Multituberculate research

Other mammals

NameNoveltyStatusAuthorsAgeType localityCountryNotesImages

Amblotherium megistodon [344]

Sp. nov

Valid

Foster, Pagnac & Hunt-Foster

Late Jurassic

Morrison Formation

Flag of the United States.svg  United States
(Flag of Wyoming.svg  Wyoming)

A member of the family Dryolestidae.

Fuxinoconodon [345]

Gen. et sp. nov

Valid

Kusuhashi et al.

Early Cretaceous (AptianAlbian)

Fuxin Formation

Flag of the People's Republic of China.svg  China

A gobiconodontid eutriconodontan.
The type species is F. changi.
Announced in 2019; the final article version was published in 2020.

Kryoparvus [346]

Gen. et sp. nov

Valid

Rich et al.

Early Cretaceous (late Barremian to early Aptian)

Flag of Australia (converted).svg  Australia

A possible Ausktribosphenidae?.
Type species is K. gerriti.

Origolestes [347]

Gen. et sp. nov

Mao et al.

Early Cretaceous (Aptian)

Yixian Formation

Flag of the People's Republic of China.svg  China

A zhangheotheriid.
Type species O. lii. Announced in 2019; the final article version was published in 2020.

Stirtodon [348]

Gen. et sp. nov

Valid

Rich, Flannery & Vickers-Rich

Early Cretaceous (Albian)

Griman Creek Formation

Flag of Australia (converted).svg  Australia

A monotreme.
The type species is S. elizabethae.

Sundrius [349]

Gen. et sp. nov

In press

Rich et al.

Early Cretaceous (Albian)

Eumeralla Formation

Flag of Australia (converted).svg  Australia

A possible monotreme.
The type species is S. ziegleri.

Triconodon averianovi [350]

Sp. nov

valid

Jäger, Cifelli & Martin

Early Cretaceous (Berriasian)

Lulworth Formation

Flag of the United Kingdom.svg  United Kingdom

A triconodonid Eutriconodontan

Miscellaneous mammalian research

General research

Related Research Articles

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