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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 .
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.
Lepospondyli is a diverse taxon of early tetrapods.With the exception of one late-surviving lepospondyl from the Late Permian of Morocco (Diplocaulus minimus), [6] lepospondyls lived from the Visean stage of the Early Carboniferous to the Early Permian and were geographically restricted to what is now Europe and North America.
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 ...
Keraterpeton is an extinct genus of "nectridean" tetrapodomorphs, previously included within the monotypic Keraterpedontidae family, [3] from the Carboniferous period of Europe (Czech Republic, England and Ireland) [4] and North America (United States); [5] [6] it is the oldest known member of the family Diplocaulidae.
Diploceraspis is a genus of diplocaulid nectrideans.It lived in North America during the Permian period. It closely resembles its relative, Diplocaulus.It generally sports the same features as Diplocaulus, though it was smaller, measuring over 46 cm. [1] Beerbower originally recognised two species, D. burkei and D. conemaughensis, but they are no longer regarded as being distinct from one ...
Microsauria ("small lizards") is an extinct, possibly polyphyletic [1] order of tetrapods from the late Carboniferous and early Permian periods. It is the most diverse and species-rich group of lepospondyls.
[10] [11] Modern mass estimates for D. carnegii have tended to be in the 12–14.8-metric-ton (13.2–16.3-short-ton) range. [ 10 ] [ 12 ] [ 11 ] No skull has ever been found that can be confidently said to belong to Diplodocus , though skulls of other diplodocids closely related to Diplodocus (such as Galeamopus ) are well known.