This is the first and only positive indication to date of the presence of the coelacanth, Spermatodus pustulosus, and the hybodont shark, Polyacrodus zideki, from the Wellington Formation of Oklahoma. This record documents the occurrence of both the coelacanth and hybodont in the Wellington Formation of North-central Oklahoma and it increases the stratigraphic distribution of both. The specimens were collected from a channel-fill conglomerate exposed in a south facing road cut. The site SNOMNH (Sam Noble Oklahoma Museum of Natural History) vertebrate site V 1627 is located in southern Noble County, north-central Oklahoma. The site has yielded numerous three-dimensional remains of fish, amphibians, and reptiles.
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1 May 2013
First Report of Coelacanth and Hybodont Remains from the Lower Permian Wellington Formation of Oklahoma
William J. May
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Chondrichthyes. Hybodont
fauna
Sarcopterygii
Sumner Group
Upper Key Bed