†Rigrantia regularis Cooper and Grant 1975
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Strophomenata - Productida - Productidae
Alternative combination: Antiquatonia regularis
Full reference: G. A. Cooper and R. E. Grant. 1975. Permian Brachiopods of West Texas, III. Smithsonian Contributions to Paleobiology 19:795-1921
Belongs to Rigrantia according to S. S. Lazarev 2000
See also Cooper and Grant 1975
Sister taxa: Rigrantia costella, Rigrantia hessensis, Rigrantia planumbona
Type specimen: USNM 148972a, a valve (Ventral valve)
Distribution:
• Permian of United States (4: Texas collections)
Total: 4 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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