| Olisthanella exigua (Dorner, 1902) | [with synonyms] | w | latest taxonomic authority | |
| Taborella petropolitana (Beklemischev, 1923) | [with synonyms] | w | latest taxonomic authority | |
| Protoplanellinae Krumbachia Reisinger, 1924 | | w | latest taxonomic authority | |
| Krumbachia opaca (Nasonov, 1923) | | w | latest taxonomic authority | |
| Krumbachia palmeni rhynchocephala (Beklemischev, 1921) | | w | latest taxonomic authority | |
| Krumbachia virginiana (Kepner & Carter, 1931) | [with synonyms] | w | latest taxonomic authority | |
| Krumbachia minuta Ruebush, 1938 | | w | primary taxonomic authority (describer) | |
| Olisthanella truncula (Schmidt, 1858) | [with synonyms] | w | other taxonomic work | |
| Olisthanella palmeni Nasonov, 1917 | [with synonyms] | w | other research on this sp. | 261 |
| Olisthanella opistomiformis Nasonov, 1924 | [with synonyms] | w | other taxonomic work | |
| Krumbachia opisthoformis (Nasonov, 1924) | | w | other taxonomic work | 262 |
| Mesostoma lugdunense de Man, 1875 | | w | other taxonomic work | 261 |
| Krumbachia exigua (Dorner, 1902) | | w | other taxonomic work | 261 |
