| Plagiostomum lemani Forel & Du Plessis, 1874 | w | primary taxonomic authority (describer) | 49, 114; pl. 3 Fig. 1-3; | |
| Otomesostoma auditivum (Forel & du Plessis, 1874) | [with synonyms] | w | primary taxonomic authority (describer) | 49 |
| Vortex lemani du Plessis, 1874 | w | other taxonomic work | ||
| Mesostoma auditivum Forel & du Plessis, 1874 | w | primary taxonomic authority (describer) | 49 |