| Aphanostoma pallidum Beklemischev, 1915 | | w | latest taxonomic authority | |
| Isodiametridae Praeconvoluta Dörjes, 1968 | [with synonyms] | w | latest taxonomic authority | |
| Praeconvoluta karinae Dörjes, 1968 | | w | latest taxonomic authority | |
| Praeconvoluta minor Faubel, 1974 | | w | latest taxonomic authority | |
| Praeconvoluta schmidti Faubel, 1977 | | w | latest taxonomic authority | |
| Eumecynostomum bathycolum (Westblad, 1948) | [with synonyms] | w | latest taxonomic authority | |
| Eumecynostomum boreale (Faubel, 1977) | [with synonyms] | w | latest taxonomic authority | |
| Eumecynostomum evelinae (Marcus, 1948) | [with synonyms] | w | latest taxonomic authority | |
| Eumecynostomum flavescens (Dörjes, 1968) | [with synonyms] | w | latest taxonomic authority | |
| Eumecynostomum fragilis (Dörjes, 1968) | [with synonyms] | w | latest taxonomic authority | |
| Eumecynostomum juistensis (Dörjes, 1968) | [with synonyms] | w | latest taxonomic authority | |
| Eumecynostomum macrobursalium (Westblad, 1946) | [with synonyms] | w | latest taxonomic authority | |
| Eumecynostomum maritimum (Dörjes, 1968) | [with synonyms] | w | latest taxonomic authority | |
| Eumecynostomum pallidum (Beklemischev, 1915) | [with synonyms] | w | latest taxonomic authority | |
| Eumecynostomum papillosum (Faubel, 1974) | [with synonyms] | w | latest taxonomic authority | |
| Eumecynostomum tardum (Ehlers & Dörjes, 1979) | [with synonyms] | w | latest taxonomic authority | |
| Eumecynostomum westbladi (Dörjes, 1968) | [with synonyms] | w | latest taxonomic authority | |
| Mecynostomum auritum typica (Westblad, 1946) | | w | latest taxonomic authority | |
| Mecynostomum macrobursalium (Westblad, 1946) | | w | latest taxonomic authority | |
| Mecynostomum pallidum (Beklemischev, 1915) | | w | latest taxonomic authority | |
| Neomecynostomum granulum (Dörjes, 1968) | [with synonyms] | w | latest taxonomic authority | |
| Mecynostomidae Pseudmecynostomum Dörjes, 1968 | [with synonyms] | w | latest taxonomic authority | |
| Pseudmecynostomum bathycolum (Westblad, 1948) | | w | latest taxonomic authority | |
| Pseudmecynostomum boreale Faubel, 1977 | | w | latest taxonomic authority | |
| Pseudmecynostomum evelinae (Marcus, 1948) | | w | latest taxonomic authority | |
| Pseudmecynostomum flavescens (Dörjes, 1968) | | w | latest taxonomic authority | |
| Pseudmecynostomum fragilis Dörjes, 1968 | | w | latest taxonomic authority | |
| Pseudmecynostomum granulum Dörjes, 1968 | | w | latest taxonomic authority | |
| Pseudmecynostomum juistensis Dörjes, 1968 | | w | latest taxonomic authority | |
| Pseudmecynostomum macrobursalium (Westblad, 1946) | | w | latest taxonomic authority | |
| Pseudmecynostomum maritimum Dörjes, 1968 | | w | latest taxonomic authority | |
| Pseudmecynostomum pallidum (Beklemischev, 1915) | | w | latest taxonomic authority | |
| Pseudmecynostomum papillosum Faubel, 1974 | | w | latest taxonomic authority | |
| Pseudmecynostomum pellucidum Ehlers & Doerjes, 1979 | | w | latest taxonomic authority | |
| Pseudmecynostomum sanguineum (Beklemischev, 1915) | | w | latest taxonomic authority | |
| Pseudmecynostomum tardum Ehlers & Dörjes, 1979 | | w | latest taxonomic authority | |
| Pseudmecynostomum westbladi Dörjes, 1968 | | w | latest taxonomic authority | |
| Proporidae Praeanaperus Faubel & Regier, 1983 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Praeanaperus tetraposthia Faubel & Regier, 1983 | | w | primary taxonomic authority (describer) | 8-11, figs 5, 6 |
| Actinoposthiidae Alluna Faubel & Regier, 1983 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Alluna sublitoralis Faubel & Regier, 1983 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Alluna vulgaris Faubel & Regier, 1983 | | w | primary taxonomic authority (describer) | |
| Praeconvoluta stephania Faubel & Regier, 1983 | | w | primary taxonomic authority (describer) | 6-8, figs. 3, 4 |
| Mecynostomidae Eumecynostomum Faubel & Regier, 1983 | | w | primary taxonomic authority (describer) | |
| Eumecynostomum altitudi Faubel & Regier, 1983 | | w | primary taxonomic authority (describer) | 11-15, fig. 7, 8 |
| Mecynostomidae Neomecynostomum Faubel & Regier, 1983 | | w | primary taxonomic authority (describer) | |
| Convolutidae Alluna Faubel & Regier, 1983 | | - | primary taxonomic authority (describer) | |
| Anaperidae Praeanaperus Faubel & Regier, 1983 | | - | primary taxonomic authority (describer) | |
| Haploposthiidae Praeanaperus Faubel & Regier, 1983 | | - | primary taxonomic authority (describer) | |
| Haploposthiidae Praeanaperus Faubel & Regier, 1983 | | - | latest taxonomic authority | |
| Isodiametridae Alluna Faubel & Regier, 1983 | | - | primary taxonomic authority (describer) | |