Amphictis Temporal range: | |
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Skull of Amphictis antiqua | |
Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Mammalia |
Order: | Carnivora |
Family: | Ailuridae |
Subfamily: | † Amphictinae Winge, 1896 |
Genus: | † Amphictis Pomel, 1853 |
Type species | |
†Amphictis antiqua (de Blainville, 1842) | |
Other Species | |
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Amphictis is an extinct genus of ailurid that existed from the Late Oligocene to the Middle Miocene with fossils found in Eurasia and North America with a total of nine described species. [1] The interrelationships of the different species as well as their relationship to the other ailurids is not fully understood. [2] Usually Amphictis is classified in the basal monotypic subfamily Amphictinae, but there is no certainty as the genus could potentially be a paraphyletic with the Oligocene species A. borbonica being a potential sister taxon to the ancestor of the subfamily Ailurinae (today consisting just the red panda), while a Middle Miocene clade consisting of an anagenesis line from A. prolongata–to–A. wintershofensis–to–A. cuspida being closer to the ancestry of the now extinct Simocyoninae (with A. wintershofensis being the sister taxon to the clade). This is due to the nature of their plesiomorphic nature of their anatomy. [2]
The first and type species was originally described as Viverra antiqua in 1842, [3] but was assigned to a new genus Amphictis in 1853. [4] A second species, Amphictis ambigua (sometimes spelled A. ambiguus) was described in 1872. [5] Another three species, A. japonica, A. sarsi, and A. wyvillei, were described in 1885, [6] but have since been reassigned or synonymized.[ citation needed ] Further species described include A. milloquensis in 1928, [7] A. borbonica in 1929, [8] A. schlosseri and A. wintershofensis both in 1994, [9] [10] and A. prolongata in 1996. [11]
Another species, A. aginensis, was described in 1973 [12] but was reassigned to the genus Stromeriella in 1996. [11] An eighth species, A. cuspida, was described in 2003 [13] and a ninth, A. timicua, in 2017. [1]
Proailurus is an extinct felid genus that lived in Europe and Asia approximately 25-30.8 million years ago in the Late Oligocene and Miocene. Fossils have been found in Mongolia, Germany, and Spain.
Ailuridae is a family in the mammal order Carnivora. The family consists of the red panda and its extinct relatives.
Hyaenodon ("hyena-tooth") is an extinct genus of carnivorous placental mammals from extinct tribe Hyaenodontini within extinct subfamily Hyaenodontinae, that lived in Eurasia and North America from the middle Eocene, throughout the Oligocene, to the early Miocene.
Amphicyon is an extinct genus of large carnivorans belonging to the family Amphicyonidae, subfamily Amphicyoninae, from the Miocene epoch. Members of this family received their vernacular name for possessing bear-like and dog-like features. They ranged over North America, Europe, Asia, and Africa.
Necromanis is an extinct genus of pangolin from superfamily Manoidea. It lived from the middle Oligocene to middle Miocene in Europe. It was originally placed within family Manidae, but was eventually removed from it as more fossil pholidotids from outside that family were found and studied more extensively. Currently, Necromanis is placed as incertae sedis within the pholidotid superfamily Manoidea, together with the families Manidae and Patriomanidae.
Barbourofelidae is an extinct family of carnivorans of the suborder Feliformia, sometimes known as false saber-toothed cats, that lived in North America, Eurasia and Africa during the Miocene epoch and existed for about 7.9 million years. Thought to be an independent lineage from the Nimravidae and Machairodontinae, which had all attained elongated canines, recent research argues that it may be a subfamily of the Nimravidae, extending its biochronological range into the Miocene, although this issue is not yet fully resolved.
Alopecocyon is a fossil genus of ailurid belonging to the subfamily Simocyoninae. It has two species, Alopecocyon goeriachensis and Alopecocyon getti. It is based on fragmentary fossils dating to the middle Miocene of both Europe and Asia.
Agnotherium is a genus of large sized carnivoran mammals, belonging to the Amphicyonidae, which has been found in Western Europe, and possibly China and Northern Africa, and lived during the Late Miocene epoch. Despite only being known from fragmentary remains, the genus notable for hypercarnivorous adaptions, which have been said to represent the "apex" among its family.
Ysengrinia is an extinct genus of carnivoran in the family Amphicyonidae (beardogs), which lived in Europe, Asia, and North America during the Early Miocene. It was also reported from Egypt and Namibia, but this material has been reassigned to other genera of beardogs.
Asiavorator is an extinct genus of civet-like carnivoran belonging in the family Stenoplesictidae. It was endemic to Asia and lived during the Eocene and Oligocene epochs.
Palaeogale is an extinct genus of carnivorous mammal known from the Late Eocene, Oligocene, and Early Miocene of North America, Europe, and Eastern Asia. A small carnivore often associated with the mustelids, Palaeogale might have been similar to living genets, civets, and linsangs.
Pterodon is an extinct genus of hyaenodont in the family Hyainailouridae, containing five species. The type species Pterodon dasyuroides is known exclusively from the late Eocene to the earliest Oligocene of western Europe. The genus was first erected by the French zoologist Henri Marie Ducrotay de Blainville in 1839, who said that Georges Cuvier presented one of its fossils to a conference in 1828 but died before he could make a formal description of it. It was the second hyaenodont genus with taxonomic validity after Hyaenodon, but this resulted in taxonomic confusion over the validities of the two genera by other taxonomists. Although the taxonomic status of Pterodon was revised during the late 19th and early 20th centuries, it became a wastebasket taxon for other hyaenodont species found in Africa and Asia. Today, only the type species is recognized as belonging to the genus while four others are pending reassessment to other genera.
Parastrapotherium is an extinct genus of South American land mammal that existed from the Late Oligocene to the Early Miocene. The genus includes some of the largest and smallest known astrapotherian, but at present no generally recognized description can adequately characterize it.
Apterodon is an extinct genus of hyaenodontid mammals that lived from the late Eocene through the middle Oligocene epoch in Africa and Europe. It is closely related to the African Quasiapterodon, and together it, they comprise the hyainailurids subfamily Apterodontinae.
Prolagus oeningensis is an extinct lagomorph and the type species of its genus, Prolagus. It lived from 15.97 to 7.75 Ma, existing for about 8 million years.
Hyaenodonta is an extinct order of hypercarnivorous placental mammals of clade Pan-Carnivora from mirorder Ferae. Hyaenodonts were important mammalian predators that arose during the early Paleocene in Europe and persisted well into the late Miocene.
Hyainailouridae ("hyena-cats") is a family of extinct predatory mammals within the superfamily Hyainailouroidea within extinct order Hyaenodonta. Hyaenodontids arose during the middle Eocene and persisted well into the middle Miocene. Fossils of this group have been found in Asia, Africa, North America and Europe.
Leontoceryx is an extinct, little-known genus of pantherine felid. It was named in 1938 by Hungarian palaeontologist Miklós Kretzoi based on a partial upper jaw fossil with only three teeth present.
Actiocyon was an extinct genus of ailurid that existed from the Middle Miocene of North America. The type species, Actiocyon leardi, was described in 1947 by the American paleontologist Chester Stock.
Magerictis is a fossil genus of ailurid with a single species Magerictis imperialenis, which was originally known from a single m2 tooth. Several more specimens were later found, but were undescribed as of 2014.