type specimen holotype Paleogene Eocene unknown FEU-1021633
| | identified by M. Hesemann Paleogene Eocene Priabonian American South Choctaw County FEU-1018380
| | identified by M. Hesemann Paleogene Eocene Priabonian American South Choctaw County FEU-1018381
| | identified by M. Hesemann Paleogene Eocene Priabonian American South Choctaw County FEU-1018382
| | identified by M. Hesemann Paleogene Eocene Priabonian American South Choctaw County FEU-1018383
| |