Luzocephalus

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Luzocephalus
Temporal range: Early Triassic
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Temnospondyli
Suborder: Stereospondyli
Family: Lydekkerinidae (?)
Genus: Luzocephalus
Säve-Söderbergh, 1935
Species
  • L. blomiShishkin, 1980
  • L. johannsoniSäve-Söderbergh, 1935
  • L. kochiSäve-Söderbergh, 1935

Luzocephalus is an extinct genus of temnospondyl from the Early Triassic of Russia (Vetluga Series, Kasnyye Baki horizon) and Greenland (Wordie Creek Formation). It is usually regarded as a member of the family Lydekkerinidae, although it has also been placed in the family Trematosauridae. [1] [2]

Phylogeny

Luzocephalus in a cladogram after Novikov (2018) with only Early Triassic Eastern Europe taxa included: [3]

Temnospondyli

Luzocephalus

Capitosauridae

Samarabatrachus

Poryolosuchus

Parotosuchus

Selenocara

Wetlugasaurus

Vladlenosaurus

Qantas

Trematosauridae

Prothoosuchus

Thoosuchus

Trematotegmen

Angusaurus

Inflectosaurus

Trematosaurus

Syrtosuchus

Benthosuchus

Yarengiidae

Vyborosaurus

Yarengia

Related Research Articles

<i>Parotosuchus</i> Extinct genus of temnospondyls

Parotosuchus is an extinct genus of capitosaurian temnospondyls within the family Mastodonsauridae. Fossils are known from the Early Triassic of Europe, Africa, Australia, and Antarctica. It was about 2 metres (6.6 ft) long and likely lived in aquatic environments such as lakes and rivers. Parotosuchus was covered in a scaly skin, unlike the smooth skin of modern-day amphibians, and probably moved with an eel-like motion in the water.

<i>Wetlugasaurus</i> Extinct genus of temnospondyls

Wetlugasaurus is an extinct genus of temnospondyl from the Early Triassic (Olenekian) Charkabozh, Kzylsaiskaya, Petropavlovka, Kamennyi Yar and Vetluga Series Formations of northern Russia and Greenland. It had a 22 centimetres (8.7 in) long skull, and reached a total length of 1 metre.

<i>Eryosuchus</i> Extinct genus of temnospondyls

Eryosuchus is an extinct genus of capitosauroid temnospondyl from the Middle Triassic of northern Russia. It was a very large predator: the largest specimen known could reach up to 3.5 m (11.5 ft) in length, with a skull over 1 m long.

<i>Cyclotosaurus</i> Extinct genus of temnospondyls

Cyclotosaurus is an extinct genus of temnospondyl within the family Mastodonsauridae. It was of great size for an amphibian, had an elongated skull up to 56 cm (22 in).

<i>Intasuchus</i> Extinct genus of amphibians

Intasuchus is an extinct genus of temnospondyl amphibian from the Middle Permian of Russia. It is known from a single species, Intasuchus silvicola, which was named in 1956. Intasuchus belongs to the family Intasuchidae and is probably its sole member, although other taxa such as Syndyodosuchus and Cheliderpeton have been assigned to the family in the past. Intasuchus most likely belongs to the group Archegosauroidea, Permian relatives of the large, mostly Mesozoic temnospondyl clade Stereospondyli.

<i>Trematosaurus</i> Extinct genus of amphibians

Trematosaurus is an extinct genus of trematosaurid temnospondyl amphibian found in Germany and Russia. It was first named by Hermann Burmeister in 1849 and the type species is Trematosaurus brauni.

<i>Benthosuchus</i> Extinct genus of amphibians

Benthosuchus is an extinct genus of temnospondyl amphibian from the Early Triassic of Russia. It was primarily aquatic, living in rivers and lakes. Multiple species are known, with the largest reaching about 2.5 meters in length.

<span class="mw-page-title-main">Lydekkerinidae</span> Extinct family of temnospondyls

Lydekkerinidae is a family of stereospondyl temnospondyls that lived in the Early Triassic period. During this time period, lydekkerinids were widely distributed, with putative remains reported from Russia, Greenland, India, South Africa, Madagascar, Australia, and Antarctica. In contrast to most other stereospondyls, lydekkerinids were relatively small-bodied. The type genus is Lydekkerina, the namesake of the family and the best-known lydekkerinid.

<span class="mw-page-title-main">Trematosauridae</span> Extinct family of amphibians

Trematosauridae is a family of large marine temnospondyl amphibians with several included genera.

Angusaurus is an extinct genus of trematosaurian temnospondyl within the family Trematosauridae.

Bukobaja is an extinct genus of mastodonsaurid temnospondyl from the middle Triassic of Russia. It contains a single species, Bukobaja enigmatica. Bukobaja mainly occurs in the Bukobay Svita as part of the Ladinian?-age "Mastodonsaurus fauna", a section of Russian Triassic biostratigraphy characterized by "Mastodonsaurus" torvus. It was also present in the underlying Donguz Svita. Bukobaja appears to be a valid genus similar to, yet distinct from, Mastodonsaurus. Despite appearing to possess several unique features, Bukobaja is still known from very few remains. This has led to difficulties in determining its relations more precisely than "Mastodonsauridae incertae sedis". It has also been compared to trematosaurids.

<i>Lapillopsis</i> Extinct genus of temnospondyls

Lapillopsis is an extinct genus of stereospondyl temnospondyl within the family Lapillopsidae. Fossils belonging to the genus have been found in the Arcadia Formation of Queensland, Australia.

Prothoosuchus is an extinct genus of trematosaurian temnospondyl within the family Thoosuchidae.

Trematotegmen is an extinct genus of trematosaurian temnospondyl within the family Trematosauridae.

<i>Thoosuchus</i> Extinct genus of amphibians

Thoosuchus is an extinct genus of basal trematosauroid trematosaurian temnospondyl. Fossils have been found from Russia and date back to the Early Triassic. It is the type genus of the family Thoosuchidae, formerly called the subfamily Thoosuchinae and placed within Benthosuchidae. The benthosuchids were originally composed of the majority of basal trematosaurian forms regarded as the ancestors of the trematosaurids.

Qantas is a genus of trematosauroid temnospondyl from the Early Triassic. Fossils have been found from the Kamennyi Yar Formation in Borsky District, Samara Oblast. The type species Qantas samarensis was named in 2012 and placed in the family Benthosuchidae, as it was viewed as a close relative of Benthosuchus. The subfamily Qantasinae was established to include Qantas, and possibly the genus Tirraturhinus. Qantas is named after the Australian airline Qantas, which supported the original study of the fossils.

<i>Rhytidosteus</i> Extinct genus of amphibians

Rhytidosteus is an extinct genus of temnospondyl amphibian from the Early Triassic of South Africa. In 2019, the remains were also discovered in the Astrakhan region, Russia.

Selenocara is an extinct genus of mastodonsauroid temnospondyl. The type species is Selenocara groenlandica, described by Gunnar Säve-Söderbergh in 1935 on the basis of skull bones from the Lower Triassic Wordie Creek Formation of Greenland. Säve-Söderbergh originally described it as a new species of Wetlugasaurus.

Muraptal is a rural locality in Muraptalovsky Selsoviet, Kuyurgazinsky District, Bashkortostan, Russia. The population was 41 as of 2010. There is 1 street.

Kuzmino is a rural locality in Kichmegnskoye Rural Settlement, Kichmengsko-Gorodetsky District, Vologda Oblast, Russia. The population was 30 as of 2002.

References

  1. Damiani, R.J.; Yates, A.M. (2003). "The Triassic amphibian Thoosuchus yakovlevi and the relationships of the Trematosauroidea (Temnospondyli: Stereospondyli)" (PDF). Records of the Australian Museum. 55 (3): 331–342. doi:10.3853/j.0067-1975.55.2003.1388.
  2. Dias-Da-Silva, S. R.; Marsicano, C. (2011). "Phylogenetic reappraisal of Rhytidosteidae (Stereospondyli: Trematosauria), temnospondyl amphibians from the Permian and Triassic". Journal of Systematic Palaeontology. 9 (2): 305. Bibcode:2011JSPal...9..305D. doi:10.1080/14772019.2010.492664. hdl: 11336/68471 . S2CID   84569779.
  3. Novikov A.V. (2018). Early Triassic amphibians of Eastern Europe: evolution of dominant groups and peculiarities of changing communities (PDF) (in Russian). Moscow: RAS. p. 138. ISBN   978-5-906906-71-7. "Archive copy" (PDF). December 8, 2023.