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avatar_Halichoeres

Steenerpeton, and the earliest synapsid?

Started by Halichoeres, May 09, 2020, 01:44:09 AM

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Halichoeres

May 09, 2020, 01:44:09 AM
Reexamination of some material referred to microsaur lepospondyls (amphibian-like animals related to amniotes) shows that some are probably composites of multiple taxa. This paper describes a new recumbirostran lepospondyl taxon (Steenerpeton silvae, "[Margaret] Steen's creeping thing of the forest") from one of these composites, separating it from the animal it was jumbled with, Asaphestra platyris, which they propose might be a synapsid, in which case it would be the earliest one known.

The holotype skull of Steenerpeton, and its reconstruction:



Mann et al.: (paywall, but message me for pdf: https://onlinelibrary.wiley.com/doi/abs/10.1002/spp2.1316
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