| Dalyelliidae Castrella Fuhrmann, 1900 | | w | primary taxonomic authority (describer) | |
| Castrella (Castrella) agilis Fuhrmann, 1900 | | w | primary taxonomic authority (describer) | 729 |
| Jensenia agilis (Fuhrmann, 1900) | | w | primary taxonomic authority (describer) | |
| Mesostoma yungi Fuhrmann, 1900 | | w | primary taxonomic authority (describer) | |
| Phaenocora stagnalis (Fuhrmann, 1900) | | w | primary taxonomic authority (describer) | |
| Derostoma stagnalis Fuhrmann, 1900 | | w | primary taxonomic authority (describer) | |
| Gieysztoria cuspidata (Schmidt, 1861) | [with synonyms] | w | other research on this sp. | |
| Phaenocora gracilis (Vejdovsky, 1895) | [with synonyms] | w | other taxonomic work | 730 |
| Castrella (Castrella) quadrioculata (Vejdovsky, 1895) | | w | other taxonomic work | |
| Castrella (Castrella) pinguis (Silliman, 1884) | [with synonyms] | w | other taxonomic work | |