Diablophis: Difference between revisions
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{{Short description|Primitive Snake from the Jurassic period.}} |
{{Short description|Primitive Snake from the Jurassic period.}} |
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{{Draft topics|stem}} |
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{{AfC topic|other}} |
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| fossil_range = [[Late Jurassic]] ([[Kimmeridgian]]), {{Fossil range|157.3|152.1}} |
| fossil_range = [[Late Jurassic]] ([[Kimmeridgian]]), {{Fossil range|157.3|152.1}} |
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| taxon = Diablophis |
| taxon = Diablophis |
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'''Diablophis''' is a genus of Late Jurassic stem-snake from the [[Morrison Formation]] of North America. The type and only species, ''D. gilmorei'' was once thought to be a species of ''[[Parviraptor]]''<ref name="evans1996">{{cite journal |author=Evans, S.E. |year=1996 |title=Parviraptor (Squamata: Anguimorpha) and Other Lizards from the Morrison Formation at Fruita, Colorado |journal=The Continental Jurassic |volume=60 |pages=243-248}}</ref> but is now classified as its own genus.<ref name="caldwell2015">{{cite journal |author1=Caldwell, M.W. |author2=Nydam, R.L. |author3=Palci, A |author4=Apesteguía, S |year=2015 |title=The oldest known snakes from the Middle Jurassic-Lower Cretaceous provide insights on snake evolution |journal=Nature Communications |volume=6 |pages=1-11 |doi=10.1038/ncomms6996}} </ref> The animal is known from multiple specimens, the [[holotype]] being '''LACM 4684/140572''', which consists of a broken right mandible, broken right maxilla and broken axis vertebrae. A number of other specimens have also been attributed to ''Diablophis'', including LACM 4684/140572 and LACM 5572/120732, the specimens previously attributed to ''Parviraptor'' and LACM 4684/120472.<ref name="caldwell2015" /> |
'''''Diablophis''''' is a genus of Late Jurassic stem-snake from the [[Morrison Formation]] of North America. The type and only species, ''D. gilmorei'' was once thought to be a species of ''[[Parviraptor]]''<ref name="evans1996">{{cite journal |author=Evans, S.E. |year=1996 |title=Parviraptor (Squamata: Anguimorpha) and Other Lizards from the Morrison Formation at Fruita, Colorado |journal=The Continental Jurassic |volume=60 |pages=243-248}}</ref> but is now classified as its own genus.<ref name="caldwell2015">{{cite journal |author1=Caldwell, M.W. |author2=Nydam, R.L. |author3=Palci, A |author4=Apesteguía, S |year=2015 |title=The oldest known snakes from the Middle Jurassic-Lower Cretaceous provide insights on snake evolution |journal=Nature Communications |volume=6 |pages=1-11 |doi=10.1038/ncomms6996}} </ref> The animal is known from multiple specimens, the [[holotype]] being '''LACM 4684/140572''', which consists of a broken right mandible, broken right maxilla and broken axis vertebrae. A number of other specimens have also been attributed to ''Diablophis'', including LACM 4684/140572 and LACM 5572/120732, the specimens previously attributed to ''Parviraptor'' and LACM 4684/120472.<ref name="caldwell2015" /> |
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== Phylogeny == |
== Phylogeny == |
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|2={{clade |
|2={{clade |
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|1={{clade |
|1={{clade |
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|1='''Diablophis''' |
|1='''''Diablophis''''' |
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|2=''[[Eophis]]'' |
|2=''[[Eophis]]'' |
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|3=''[[Portugalophis]]'' |
|3=''[[Portugalophis]]'' |
Revision as of 04:27, 12 July 2022
Diablophis Temporal range: Late Jurassic (Kimmeridgian),
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Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Reptilia |
Order: | Squamata |
Clade: | Ophidia |
Genus: | †Diablophis Caldwell et al., 2015 |
Type species | |
†Diablophis gilmorei (Evans, 1996)
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Synonyms | |
Species synonymy
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Diablophis is a genus of Late Jurassic stem-snake from the Morrison Formation of North America. The type and only species, D. gilmorei was once thought to be a species of Parviraptor[1] but is now classified as its own genus.[2] The animal is known from multiple specimens, the holotype being LACM 4684/140572, which consists of a broken right mandible, broken right maxilla and broken axis vertebrae. A number of other specimens have also been attributed to Diablophis, including LACM 4684/140572 and LACM 5572/120732, the specimens previously attributed to Parviraptor and LACM 4684/120472.[2]
Phylogeny
Diablophis has been recovered as a basal snake, though this placement is not undisputed. The cladogram from figure 4b in Caldwell et al.'s 2015 study is replicated below.[2]
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References
- ^ Evans, S.E. (1996). "Parviraptor (Squamata: Anguimorpha) and Other Lizards from the Morrison Formation at Fruita, Colorado". The Continental Jurassic. 60: 243–248.
- ^ a b c Caldwell, M.W.; Nydam, R.L.; Palci, A; Apesteguía, S (2015). "The oldest known snakes from the Middle Jurassic-Lower Cretaceous provide insights on snake evolution". Nature Communications. 6: 1–11. doi:10.1038/ncomms6996.