Parotosuchus

Parotosuchus
Temporal range: Early Triassic
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Skull impression of P. nasutus in the Museum für Naturkunde, Berlin
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Order: †Temnospondyli
Suborder: †Stereospondyli
Clade: †Capitosauria
Family: †Mastodonsauridae
Genus: †Parotosuchus
Otschev and Shishkin, 1968
Species
  • †P. nasutus (Meyer, 1858)
  • †P. helgolandicus (Schröder, 1913)
  • †P. haughtoni (Broili & Schröder, 1937)
  • †P. orenburgensis (Konzhukova, 1965)
  • †P. orientalis (Otschev, 1966)
  • †P. panteleevi (Otschev, 1966)
  • †P. ptaszynskii Sulej and Niedźwiedzki, 2013
  • †P. sequester Lozovsky & Shishkin, 1974
  • †P. speleus Mikhail A. Shishkin and Tomasz Sulej, 2009[1]
  • †P. komiensis Novikov, 1986
Synonyms
  • Archotosaurus Patton, 1976

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.[2]

Life restoration of P. orenburgensis
Life restoration of P. nasutus

Parotosuchus was originally named Parotosaurus. However, the name Parotosaurus was preoccupied by a genus of skinks,[3] and in 1968 the name Parotosuchus was proposed as a replacement.[4] The name Archotosaurus was also proposed as a replacement name in 1976,[5] although the author who proposed this was unaware that Parotosuchus was already in use. Because the name Parotosuchus was erected earlier than Archotosaurus, it has priority.[6]

Phylogeny

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Parotosuchus in a cladogram after Novikov (2018) with only Early Triassic Eastern Europe taxa included:[7]

Temnospondyli

References

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  1. ^ Mikhail A. Shishkin; Tomasz Sulej (2009). "The Early Triassic temnospondyls of the Czatkowice 1 tetrapod assemblage" (PDF). Paleontologica Polonica. 65: 31–77.
  2. ^ Yahoo News: Antarctic fossil prompts rethink about amphibian history
  3. ^ Linkem, C.W.; Diesmos, A.C.; Brown, R.M. (2010). "A new species of scincid lizard (genus Sphenomorphus) from Palawan Island, Philippines" (PDF). Herpetologica. 66 (1): 67–79. doi:10.1655/08-074.1. S2CID 17889198. Archived from the original (PDF) on 2014-01-15.
  4. ^ Kalandadze, N.N.; Ochev, V.G.; Tatarinov, L.P.; Chudinov, P.K.; Shishkin, M.A. (1968). "Catalogue of Permian and Triassic tetrapods of the U.S.S.R.". Upper Paleozoic and Mesozoic Amphibians and Reptiles of the U.S.S.R. Moscow: Nauka. pp. 72–79.
  5. ^ Patton, R.L. (1976). "A replacement name for Parotosuchus Jaekel (Amphibia: Labyrinthodontia)" (PDF). Palaeontology. 19 (2): 415–416.[permanent dead link]
  6. ^ Damiani, R. J. (2002). "Parotosuchus (Amphibia, Temnospondyli) from the Cynognathus Assemblage Zone (Early Triassic) of South Africa: Cranial morphology and relationships". Alcheringa: An Australasian Journal of Palaeontology. 25 (4): 351–379. doi:10.1080/03115510108619226. S2CID 128483774.
  7. ^ 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.

Further reading

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