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Diplocaulus (meaning "double stalk") is an extinct genus of lepospondyl amphibians which lived from the Late Carboniferous to the Late Permian of North America and Africa. Diplocaulus is by far the largest and best-known of the lepospondyls, characterized by a distinctive boomerang-shaped skull.
Preoccupied name: A name that is formally published, but which has already been used for another taxon. This second use is invalid (as are all subsequent uses) and the name must be replaced. As preoccupied names are not valid generic names, they will also go unitalicized on this list.
The Diplocaulidae ("double cauls") is an extinct family of "nectridean" tetrapodomorphs that arose during the Late Carboniferous and died out in the Late Permian. [1] They are distinguished by the presence of strange, horn-like protrusions jutting out from the rear of their skulls; in some genera said protrusions gave their heads an almost boomerang-like outline.
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Amphibians & Reptiles of Morocco (Including Western Sahara). Ed. Asociación Herpetológica Española. p. 319. Geniez, Philippe; José Antonio Mateo; Michel Geniez; Jim Pether (2004). Amphibians and Reptiles of Western Sahara. Serpent's Tale Natural History Book Distributors. p. 229.
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A life restoration of Urocordylus, a urocordylid. Nectrideans are a diverse group of tetrapods, including the aquatic Urocordylidae, the presumably terrestrial Scincosauridae, and the bizarre horned members of Diplocaulidae (also known as Keraterpetonidae), which includes the "boomerang-headed" Diplocaulus, one of the most famous genera of prehistoric amphibians (in the traditional sense of ...
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