Type species: Homotrypa bassleri Nickles, 1902
This genus includes the species:
(Nickles, 1902) | Ordovician Katian-Hirnantian | USA Ohio | WoRMS 1411383 | |
(Bassler, 1903) | Ordovician Katian-Hirnantian | USA Ohio, Indiana | WoRMS 1411384 | |
(Nicholson, 1881) | Ordovician Katian-Hirnantian | USA Ohio, Indiana | WoRMS 1411385 | |
(Bassler, 1903) | Ordovician Sandbian-Katian | USA, Mongolia | WoRMS 1411386 |
Gortanipora bassleri (as Homotrypa) at The Digital Atlas of Ordovician Life.
Gortanipora from Cincinnati region: at University of Georgia.