Champsosaurus
Champsosaurus. A champsosaurus a gaviálokra emlékeztet, és hozzájuk hasonlóan, hosszú fogakkal szegélyezett pofájával a folyókban és mocsarakban halakra vadászott. Champsosaurus est un genre éteint de grands « reptiles » d'eau douce de l' ordre des choristodera ayant vécu au cours du crétacé supérieur et du paléocène en amérique du nord et en europe.
Information and translations of champsosaurus in the most comprehensive dictionary definitions resource on the web. Although champsosaurus looked like a crocodile and almost certainly lived like a crocodile, the genus was actually a member of the choristodera. this is a separate group of diapsid reptiles which means that despite the physical similarity, champsosaurus was not related to the modern crocodiles that we know today. The vertebrate fauna of the judith river formation, montana.
It probably swam with lateral body movements, pinning its limbs against its body to increase its streamline, just like crocodiles.
In recent communication to the writer, dr. What was a champsosaurus's habitat? It probably swam with lateral body movements, pinning its limbs against its body to increase its.
It consists of seven species:
Allocation of this genus to the rhynchocephalia was later amended by romer ( 1945) on grounds that the typical rhynchocephalian beak is want ing. This group must have originated in the late permian or early triassic, but fossils are chiefly from late survivors, hence the wide variety. Körülbelül 1,50 méteres hosszúságot ért el.
The name champsosaurus is thought to come from χαμψαι [champsai.
It grew to about 1.50 m (5 ft) long. A specimen of the aquatic reptile champsosaurus sp. Although champsosaurus looked like a crocodile and almost certainly lived like a crocodile, the genus was actually a member of the choristodera. this is a separate group of diapsid reptiles which means that despite the physical similarity, champsosaurus was not related to the modern crocodiles that we know today.
The fragmentary specimen exhibits some unusual features, such as a great anterior extent of the quadratojugal on the lower temporal arch, and cannot be attributed with confidence to any of the named species.
Champsosaurus had a relatively delicate skull, with a long and slender snout and large arches of bone at the back of the skull that anchored jaw muscles. On some extinct reptiles and batrachia from the judith river and fox hills beds of montana. The skeleton of champsosaurus laramiensis looks superficially like that of a crocodilian, but this is the result of convergent evolution.
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Natator), and therefore more accurately illustrates details of the endocranial. Champsosaurus is an extinct genus of diapsid reptiles belonging to the order choristodera, that existed in the late cretaceous and paleogene periods. Champsosaurus during early paleocene time resulted from a decrease in mean annual temperature, comparable to over 10° of paleolati tude.