| Prolecithophora Hypotrichinidae Bresslau, 1928-1933 | | w | latest taxonomic authority | |
| Genostomatidae Genostoma Dörler, 1900 | | w | latest taxonomic authority | |
| Genostoma marsiliensis (Calandruccio, 1897) | [with synonyms] | w | latest taxonomic authority | |
| Genostoma tergestina (Calandruccio, 1897) | [with synonyms] | w | latest taxonomic authority | |
| Genostoma inopinatum Hyra, 1993 | | w | primary taxonomic authority (describer) | 118-120, Figs. 16-25, 27 |
| Genostoma kozloffi Hyra, 1993 | | w | primary taxonomic authority (describer) | 113-118, Figs. 1-15, 26 |
| Hypotrichina marsiliensis Calandruccio, 1897 | | w | latest taxonomic authority | |
| Hypotrichina tergestina Calandruccio, 1897 | | w | latest taxonomic authority | |