Archosaurus: Difference between revisions
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'''''Archosaurus''''' is an extinct [[genus]] of carnivorous [[archosauriform]] [[reptile]].<ref>{{Cite journal | doi = 10.1134/S0031030106100078| title = Vyazniki biotic assemblage of the terminal Permian| journal = Paleontological Journal| volume = 40| issue = 4| pages = S475| year = 2006| last1 = Sennikov | first1 = A. G.| last2 = Golubev | first2 = V. K.}}</ref> From the [[Late Permian|latest Permian]] of [[Russia]] and [[Poland]], it is one of the earliest known archosauriforms. The type and only species is '''''Archosaurus rossicus''''', known from several fragmentary specimens which cumulatively represent parts of the skull and cervical vertebrae.<ref name=Paleont1960>Paleont. Zh. 1960 (4)</ref><ref>{{cite book |last=Sennikov |first=A.G. |author2=Gower, D.J. |year=2000 |chapter=Early archosaurs from Russia |title=The Age of Dinosaurs in Russia and Mongolia |editor=Benton, M.J. |editor2=Shishkin, M.A. |editor3=Unwin, D.M. |publisher=Cambridge University Press |location=Cambridge |
'''''Archosaurus''''' is an extinct [[genus]] of carnivorous [[archosauriform]] [[reptile]].<ref>{{Cite journal | doi = 10.1134/S0031030106100078| title = Vyazniki biotic assemblage of the terminal Permian| journal = Paleontological Journal| volume = 40| issue = 4| pages = S475| year = 2006| last1 = Sennikov | first1 = A. G.| last2 = Golubev | first2 = V. K.}}</ref> From the [[Late Permian|latest Permian]] of [[Russia]] and [[Poland]], it is one of the earliest known archosauriforms. The type and only species is '''''Archosaurus rossicus''''', known from several fragmentary specimens which cumulatively represent parts of the skull and cervical vertebrae.<ref name=Paleont1960>Paleont. Zh. 1960 (4)</ref><ref>{{cite book |last=Sennikov |first=A.G. |author2=Gower, D.J. |year=2000 |chapter=Early archosaurs from Russia |title=The Age of Dinosaurs in Russia and Mongolia |editor=Benton, M.J. |editor2=Shishkin, M.A. |editor3=Unwin, D.M. |publisher=Cambridge University Press |location=Cambridge |isbn=978-0-521-54582-2}}</ref> |
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When first described in 1960, ''Archosaurus'' was considered the oldest known [[archosaur]] and a close relative of ''[[Proterosuchus]]'' from the [[Early Triassic]].<ref name=Paleont1960 /> However, Archosauria in modern terms is considered a more restricted group which ''Archosaurus'' lies outside of. The "classic" definition of archosaur utilized prior to the widespread use of [[cladistics]] is now roughly equivalent to the clade Archosauriformes.<ref>Gauthier J. A. (1994): ''The diversification of the amniotes''. In: D. R. Prothero and R. M. Schoch (ed.) Major Features of Vertebrate Evolution: 129-159. Knoxville, Tennessee: The Paleontological Society.</ref> ''Archosaurus'' is still considered the oldest undisputed archosauriform, as well as one of the few valid members of the family [[Proterosuchidae]].<ref name="ezcurra2016">{{Cite journal|last=Ezcurra|first=Martín D.|date=2016-04-28|title=The phylogenetic relationships of basal archosauromorphs, with an emphasis on the systematics of proterosuchian archosauriforms|url=https://peerj.com/articles/1778|journal=PeerJ|language=en|volume=4|pages=e1778|doi=10.7717/peerj.1778|issn=2167-8359|doi-access=free}}</ref> |
When first described in 1960, ''Archosaurus'' was considered the oldest known [[archosaur]] and a close relative of ''[[Proterosuchus]]'' from the [[Early Triassic]].<ref name=Paleont1960 /> However, Archosauria in modern terms is considered a more restricted group which ''Archosaurus'' lies outside of. The "classic" definition of archosaur utilized prior to the widespread use of [[cladistics]] is now roughly equivalent to the clade Archosauriformes.<ref>Gauthier J. A. (1994): ''The diversification of the amniotes''. In: D. R. Prothero and R. M. Schoch (ed.) Major Features of Vertebrate Evolution: 129-159. Knoxville, Tennessee: The Paleontological Society.</ref> ''Archosaurus'' is still considered the oldest undisputed archosauriform, as well as one of the few valid members of the family [[Proterosuchidae]].<ref name="ezcurra2016">{{Cite journal|last=Ezcurra|first=Martín D.|date=2016-04-28|title=The phylogenetic relationships of basal archosauromorphs, with an emphasis on the systematics of proterosuchian archosauriforms|url=https://peerj.com/articles/1778|journal=PeerJ|language=en|volume=4|pages=e1778|doi=10.7717/peerj.1778|issn=2167-8359|doi-access=free}}</ref> |
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Revision as of 16:08, 6 December 2020
| Archosaurus Temporal range: Late Permian,
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| Restored skull | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Clade: | Archosauromorpha |
| Clade: | Archosauriformes |
| Family: | †Proterosuchidae |
| Subfamily: | †Chasmatosuchinae |
| Genus: | †Archosaurus Tatarinov, 1960 |
| Species: | †A. rossicus
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| Binomial name | |
| †Archosaurus rossicus Tatarinov, 1960
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Archosaurus is an extinct genus of carnivorous archosauriform reptile.[1] From the latest Permian of Russia and Poland, it is one of the earliest known archosauriforms. The type and only species is Archosaurus rossicus, known from several fragmentary specimens which cumulatively represent parts of the skull and cervical vertebrae.[2][3]
When first described in 1960, Archosaurus was considered the oldest known archosaur and a close relative of Proterosuchus from the Early Triassic.[2] However, Archosauria in modern terms is considered a more restricted group which Archosaurus lies outside of. The "classic" definition of archosaur utilized prior to the widespread use of cladistics is now roughly equivalent to the clade Archosauriformes.[4] Archosaurus is still considered the oldest undisputed archosauriform, as well as one of the few valid members of the family Proterosuchidae.[5]
See also
References
- ^ Sennikov, A. G.; Golubev, V. K. (2006). "Vyazniki biotic assemblage of the terminal Permian". Paleontological Journal. 40 (4): S475. doi:10.1134/S0031030106100078.
- ^ a b Paleont. Zh. 1960 (4)
- ^ Sennikov, A.G.; Gower, D.J. (2000). "Early archosaurs from Russia". In Benton, M.J.; Shishkin, M.A.; Unwin, D.M. (eds.). The Age of Dinosaurs in Russia and Mongolia. Cambridge: Cambridge University Press. ISBN 978-0-521-54582-2.
- ^ Gauthier J. A. (1994): The diversification of the amniotes. In: D. R. Prothero and R. M. Schoch (ed.) Major Features of Vertebrate Evolution: 129-159. Knoxville, Tennessee: The Paleontological Society.
- ^ Ezcurra, Martín D. (2016-04-28). "The phylogenetic relationships of basal archosauromorphs, with an emphasis on the systematics of proterosuchian archosauriforms". PeerJ. 4: e1778. doi:10.7717/peerj.1778. ISSN 2167-8359.
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