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Diplocaulus had a stocky, salamander-like body, but was relatively large, reaching up to 1 metre (3.3 ft) in length. Its most distinctive features were the long protrusions on the sides of its skull, giving the head a boomerang shape.Judging from its weak limbs and relatively short tail, it is presumed to have swum with an up-and-down movement of its body, not unlike cetaceans today. The wide head could have acted like a hydrofoil, helping the creature glide through the water. The University of Michigan's exhibit takes this concept on step further, adding a sheet of loose skin from the tips of the skull to the base of the tail which would have moved in an undulating wave for forward motion. Another possibility is that the shape was defensive, since even a large predator would have a hard time trying to swallow a creature with such a wide head.

Diplocaulus
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Look at it its cute
Information
Common Name Double caul
Range Permian pangea
Estimated Population Once common290 mya but wiped out shortly after the end of the P-T extinction
Scientific Classification
Kingdom Animalia
Phylum Chordata
Class Amphibia
Order Nectridea
Family Diplocaulidae
Genus Diplocaulus
Species D. salamandroides
Conservation Status
EXSpecies
Extinct
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