Gastropoda - Bellerophontida - Bellerophontidae
Alternative combinations: Knightites (Retispira) eximia, Retispira eximia
Full reference: E. L. Yochelson. 1960. Permian Gastropoda of the southwestern United States. 3. Bellerophontacea and Patellacea. Bulletin of the American Museum of Natural History 119(4):208-293
Belongs to Yochelsonellisa according to J. B. Waterhouse and Z.Q. Chen 2006
See also Kues 1991, Kues 1995 and Yochelson 1960
Sister taxa: none
Type specimen: USNM 114265, a shell. Its type locality is USNM712b, Orogrande, which is in an Artinskian shallow subtidal limestone in the Hueco Formation of New Mexico.
Distribution:
• Permian of United States (17: Montana, New Mexico, Texas, Wyoming collections)
• Carboniferous of United States (6: New Mexico)
Total: 23 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.