Tomewingia

{{short description|Extinct genus of ray}} {{Automatic taxobox | image = | image_caption = | taxon = Tomewingia | fossil_range = {{fossil range|Maastrichtian}} | authority = Case & Cappetta, 2013 }}

'''''Tomewingia''''' is an extinct genus of rajiform ray from the Maastrichtian epoch of the Cretaceous period.<ref>{{Cite web|title=Tomewingia problematica {{!}} Shark-References|url=https://shark-references.com/species/view/Tomewingia-problematica|access-date=2020-11-27|website=shark-references.com|language=en}}</ref> It is known solely from isolated teeth from a single species, '''''T. problematica'''.'' The genus is named for Thomas Ewing.<ref name=":0">{{cite journal|last1=Case|first1=G.R.|last2=Cappetta|first2=H.|year=2013|title=Ewingia Case & Cappetta, 1997 (Chondrichthyes: Rajiformes), preoccupied by Ewingia pearse, 1929 (Insecta: Arachnida)|journal=Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen|volume=268|issue=1|pages=125–126|doi= 10.1127/0077-7749/2013/0320}}</ref> The species was first described from the late Maastrichtian Kemp Clay Formation of Hunt County, Texas, but has since been found in Maastrichtian strata in the Arkadelphia Formation of Hot Spring County, Arkansas,<ref>Becker, M.A., Chamberlain, J.A. & Wolf, G.E. (2006): Chondrichthyans from the Arkadelphia Formation (Upper Cretaceous: upper Maastrichtian) of Hot Spring County, Arkansas. – Journal of Paleontology, 80 (4): 700-716</ref> the Severn Formation of Prince George's County, Maryland, and Fairpoint Member of the Fox Hills Formation in Meade County, South Dakota.<ref>Becker, M.A., Chamberlain, J.A. & Terry, D.O. (2004): Chondrichthyans from the Fairpoint Member of the Fox Hills Formation (Maastrichtian), Meade County, South Dakota. – Journal of Vertebrate Paleontology, 24 (4): 780-793.</ref> This genus was originally named ''Ewingia''; however, this name was found to be preoccupied by a mite found in the gills of certain land crabs. This rendered the name a junior homonym.<ref name=":0" />

==References== {{Reflist}}

Category:Monotypic prehistoric cartilaginous fish genera Category:Rajiformes