| Proschizorhynchella helgolandica (L'Hardy, 1965) | [with synonyms] | w | latest taxonomic authority | |
| Proschizorhynchus anophthalmus L'Hardy, 1965 | | w | primary taxonomic authority (describer) | 136-137, Figs. 1-2 |
| Proschizorhynchus pectinatus L'Hardy, 1965 | | w | primary taxonomic authority (describer) | 140-146, Figs. 3, 4 & 5 |
| Proschizorhynchella echinulata (L'Hardy, 1965) | [with synonyms] | w | primary taxonomic authority (describer) | |
| Proschizorhynchella helgolandica (L'Hardy, 1965) | [with synonyms] | w | primary taxonomic authority (describer) | |
| Proschizorhynchus helgolandicus Karling & L'Hardy, 1965 | | w | primary taxonomic authority (describer) | |
| Proschizorhynchus helgolandicus Karling & L'Hardy, 1965 | | w | latest taxonomic authority | 146 |
| Proschizorhynchus echinulatus L'Hardy, 1965 | | w | primary taxonomic authority (describer) | 151-155, Figs. 8 & 9 |
