Parotosuchus

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Parotosuchus
Temporal range: Early Triassic
↓
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

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

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

Temnospondyli

References

  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. 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. S2CID 128483774
    .
  7. ISBN 978-5-906906-71-7. "Archive copy"
    (PDF). December 8, 2023.

Further reading
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