Rodzina Metoposauridae Watson, 1919

Opis

Large oval widely separated orbits situated in the anterior half of the skull; nares large; a suture of the exoccipital with pterygoid perpendicular to long axis of the skull and visible in ventral view; very wide the cultriform process with a long exposure of the anterior end; the quadrate condyle subtriangular in ventral view; deep and rounded sinus pterygoidei below the oblique crest on the posterior side of the ascending ramus of the pterygoid; a posterior tongue of the articular extends posteriorly between the surangular and the prearticular along the dorsal surface of the retroarticular process; the prearticular short anteriorly; the parapophysis on two neighbouring intercentra of the presacral and sacral region; the clavicles with an indentation in the clavicular blade; the manus and pes unusually large; the femur with the main axes of the proximal and distal heads set to each other at 90.

Synonimy

Zasięg czasowy

Carnian-Norian

Literatura

Specyfikacja

Królestwo
ANIMALIA 

Typ
CHORDATA 

Podtyp
VERTEBRATA 

Gromada
AMPHIBIA

Rząd
Temnospondyli

Rodzina
Metoposauridae


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Utworzone 2014/10/02 14:26 przez Jerzy Dzik

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