| Multipeniatidae Multipeniata Nasonov, 1927 | | w | other taxonomic work | |
| Multipeniata Multipeniata Nasonov, 1927 | | w | latest taxonomic authority | |
| Plagiostomum lemani Forel & Du Plessis, 1874 | | w | other taxonomic work | |
| Plagiostomidae Akamptostoma Riedl, 1959 | | w | latest taxonomic authority | |
| Plagiostomum elachisterum (Marcus, 1948) | [with synonyms] | w | latest taxonomic authority | |
| Plagiostomidae Plicastoma Graff, 1904 | [with synonyms] | w | latest taxonomic authority | |
| Plagiostomidae Puzostoma Marcus, 1950 | | w | latest taxonomic authority | |
| Plagiostomidae Tuilica Marcus, 1951 | | w | latest taxonomic authority | |
| Tuilica evelinae Marcus, 1951 | | w | latest taxonomic authority | |
| Hydrolimax grisea Haldeman, 1843 | [with synonyms] | w | latest taxonomic authority | |
| Multipeniata Paramultipeniata Kulinitch, 1974 | | w | primary taxonomic authority (describer) | |
| Acmostomum dioicum Metschnikoff, 1865 | [with synonyms] | w | other taxonomic work | |
| Plagiostomidae Plagiostomum Schmidt, 1852 | [with synonyms] | w | latest taxonomic authority | |
| Plicastoma bimaculatum (Graff,1882) | [with synonyms] | w | latest taxonomic authority | |
| Multipeniata (Multipeniata) kho Nasonov, 1927 | | w | other taxonomic work | |
| Plagiostomidae Vorticeros Schmidt, 1852 | | w | latest taxonomic authority | |
| Plagiostomidae Acmostomum Schmarda, 1859 | [with synonyms] | w | latest taxonomic authority | |
| Plagiostomum caudatum Levinsen, 1879 | [with synonyms] | w | latest taxonomic authority | |
| Plagiostomum vittatum (Frey & Leuckart, 1847) | [with synonyms] | w | latest taxonomic authority | |