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Comahuesuchidae information


Comahuesuchidae
Temporal range: ?Early Cretaceous - Late Cretaceous
Reconstructed skeleton of Comahuesuchus brachybuccalis
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Clade: Archosauria
Clade: Pseudosuchia
Clade: Crocodylomorpha
Clade: Crocodyliformes
Clade: Notosuchia
Family: Comahuesuchidae
Bonaparte, 1991
Genera
  • Comahuesuchus
  • ?Anatosuchus

Comahuesuchidae is a family of notosuchian crocodyliforms. Constructed in 1991, it includes the genera Comahuesuchus and Anatosuchus. Among the characteristics that are unique to this family is an external naris that is inset into the tip of the snout. There is also a diastema, or gap between the teeth, at the tip of the upper and lower jaws. Both Anatosuchus and Comahuesuchus have maxillary tooth rows in the upper jaw that extend out and over the dentary tooth rows of the lower jaw.[1]

Several recent phylogenetic analyses of notosuchians have placed Anatosuchus outside of Notosuchia altogether, and therefore outside Comahuesuchidae. If this is true, Comahuesuchus would be the only member of Comahuesuchidae.[2]

  1. ^ Sereno, P.C.; Sidor, C.A.; Larsson, H.C.E.; Gado, B. (2003). "A new notosuchian from the Early Cretaceous of Niger" (PDF). Journal of Vertebrate Paleontology. 23 (2): 477–482. doi:10.1671/0272-4634(2003)023[0477:ANNFTE]2.0.CO;2.
  2. ^ Fiorelli, L. E.; Calvo, J. O. (2008). "New remains of Notosuchus terrestris Woodward, 1896 (Crocodyliformes: Mesoeucrocodylia) from Late Cretaceous of Neuquen, Patagonia, Argentina" (PDF). Arquivos do Museu Nacional, Rio de Janeiro. 66 (1): 83–124. Archived from the original (PDF) on 2012-02-27. Retrieved 2010-08-12.

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Comahuesuchidae

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Comahuesuchidae is a family of notosuchian crocodyliforms. Constructed in 1991, it includes the genera Comahuesuchus and Anatosuchus. Among the characteristics...

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Notosuchia

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†Libycosuchus †Simosuchus †Candidodontidae †Xenodontosuchia †Chimaerasuchidae †Comahuesuchidae †Razanandrongobe? †Sebecosuchia †Sphagesauria †Eptalofosuchus †Coringasuchus...

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Comahuesuchus

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brachybuccalis is MUCPv-202. Comahuesuchus is the name-sake of the clade Comahuesuchidae. Sereno et al. (2003) suggested that Comahuesuchus and Anatosuchus...

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Candidodon

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to Comahuesuchus than to Candidodon and thus a member of the family Comahuesuchidae. If this is true, Candidodon would be the only member of the family...

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Mariliasuchus

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this clade in either publication, it is referred in this article as Comahuesuchidae. Mariliasuchus, unlike modern crocodylians, was an animal of terrestrial...

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