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Eusuchia
Fossil range: Early Cretaceous - Recent, 130–0 Ma
Scientific classification

Class:

Sauropsida

Subclass:

Diapsida

Infraclass:

Archosauromorpha

(Unranked) :

Crurotarsi

Superorder:

Crocodylomorpha

Order:

Crocodilia

Suborder:

Eusuchia Huxley, 1875

Families:

Eusuchia ("true crocodiles") is a clade of crocodylomorphs that first appears in the Early Cretaceous with Hylaeochampsa.[1] All living crocodilian species are eusuchians, as are many extinct forms.

DescriptionEdit

Unlike primitive crocodylomorphs, eusuchians possess a secondary bony palate.[1] This feature enables crocodiles and alligators to safely breathe in through their nostrils while the rest of the head (including the mouth) remains submerged.[2]

ReferencesEdit

  1. ^ a b Benton, Michael J.; Sibbick, John (2000). Vertebrate Palaeontology. Blackwell Publishing. pp. 233. ISBN 0-632-05614-2. 
  2. ^ Alderton, David (1991). Crocodiles & Alligators of the World. Blandford Publishing. pp. 67-68. ISBN 0-8160-2297-6. 


Postosuchus BW

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