| author | date | title | journal / publication | Ax P | 1958 | Vervielfachung des maennlichen Kopulationsapparates bei Turbellarien. | Verh Dtsch Zool Ges Graz 1957:227-249. [Zool. Anz., Suppl. No. 21, 227-249] |
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| Provortex psammophilus Meixner, 1938 | w | other taxonomic work | ||
| Monotoplanidae Monotoplana Meixner, 1938 | [with synonyms] | w | latest taxonomic authority | 231-236 |
| Unguiphora Polystyliphoridae Ax, 1958 | w | primary taxonomic authority (describer) | 236-244 | |
| Polystyliphoridae Polystyliphora Ax, 1958 | w | primary taxonomic authority (describer) | 236-244 | |
| Polystyliphora filum Ax, 1958 | w | primary taxonomic authority (describer) | 237-244 | |
| Lithophora Monotoplanidae Ax, 1958 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Monotoplana diorchis Meixner, 1938 | w | latest taxonomic authority | 231-236 | |
| Monotoplana rufifrons (Westblad, 1952) | [with synonyms] | w | latest taxonomic authority | 231,236 |