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ARCHOSAURIA [1 record]

Record 1 2002-09-04

English

Subject field(s)
  • Paleontology
  • Reptiles and Amphibians
DEF

A large subclass of Reptilia comprising the dinosaurs, pterosaurs, and crocodilians all distinguished by possessing temporal openings separated from each other by a postorbitosquamosal arch.

CONT

The crocodilians belong to the same reptilian subclass, the Archosauria ("ruling reptiles"), that includes the dinosaurs and the flying pterosaurs.

CONT

Scientists classify dinosaurs within a larger group of animals called archosaurians, which also includes crocodiles, alligators and their relatives - pterosaurians (extinct flying reptiles such as Pterodactyls), birds and thecodonts, the earliest archosaurians.

OBS

Archosauria; archosaurians: collective terms not used in the singular.

French

Domaine(s)
  • Paléontologie
  • Reptiles et amphibiens
DEF

Reptiles terrestres de l'ère secondaire.

CONT

Chez les archosauriens (thécodontes, dinosaures, oiseaux, etc.) l'endothermie apparaît chez certains thécodontes très primitifs et son origine dans cette lignée remonte sûrement elle aussi au permien.

CONT

Les Crocodiliens appartiennent à la même sous-classe des reptiles, les Archosauriens, que les Dinosaures et Ptérosaures (reptiles volants).

OBS

Archosauriens; Archosauria : termes collectifs inusités au singulier.

Spanish

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