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Temporal range: Early Permian 303.4–295.0 Ma
Limnoscelis (cast of Yale University specimen) - Redpath Museum - McGill University - Montreal, Canada - DSC07817.jpg
Limnoscelis skeletal reconstruction at the Redpath Museum, McGill University, Montreal
Scientific classification edit
Kingdom: Animalia
Phylum: Chordata
Order: Diadectomorpha
Family: Limnoscelidae
Genus: Limnoscelis
Williston, 1911
  • L. paludis Williston, 1911 (type)
  • L. dynatis Berman and Sumida, 1990

Limnoscelis is a genus of large (1.5 m in total length),[1] very reptile-like diadectomorph (a type of reptile-like amphibian) from the Early Permian of North America. Contrary to other diadectomorphans, Limnoscelis appear to have been carnivorous. Though the post cranial skeleton is very similar to the early large bodied reptiles like pelycosaurs and pareiasaurs, the digits lacked claws, and the bones of the ankle bones were fused like in other reptile-like amphibians. This would not allow them to use their feet actively in traction, but rather as holdfasts, indicating Limnoscelis primarily hunted slow moving prey.



  • Bringing Fossils To Life: An Introduction To Paleobiology by Donald R. Prothero