Biology:Diplocaulidae

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Short description: Extinct family of amphibians

Diplocaulidae
Temporal range: Late Carboniferous - Late Permian
Douthitt Diplocaulus skeletal.png
A skeletal diagram of Diplocaulus
Scientific classification e
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Subclass: Lepospondyli
Order: Nectridea
Family: Diplocaulidae
Cope, 1881
Subgroups

See text.

Synonyms
  • Keraterpetontidae Jaekel, 1903

The Diplocaulidae ("double cauls") is an extinct family of lepospondyl amphibians that arose during the Late Carboniferous and died out in the Late Permian. [1] They are distinguished from other amphibians, extinct and extant, 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.

Diploceraspis burkei

Phylogeny

Below is a cladogram modified from Germain (2010):[1]

Nectridea 

Ptyonius

Urocordylidae

Sauropleura

Urocordylus

Scincosaurus

Diplocaulidae

Keraterpeton

Diceratosaurus

Batrachiderpeton

Peronedon

Diplocaulus magnicornis

Diploceraspis

Diplocaulus minimus

References

  1. 1.0 1.1 Germain, D. (2010). "The Moroccan diplocaulid: the last lepospondyl, the single one on Gondwana". Historical Biology 22 (1–3): 4–39. doi:10.1080/08912961003779678. 

Wikidata ☰ Q5279834 entry


es:Keraterpetontidae