| Microstomidae Microstomum Schmidt, 1848 | [with synonyms] | w | other taxonomic work | |
| Microstomum rubromaculatum Graff, 1882 | | w | latest taxonomic authority | |
| Microstomum trichotum Marcus, 1950 | | w | latest taxonomic authority | |
| Antroposthiidae Antroposthia Faubel, 1974 | | w | primary taxonomic authority (describer) | |
| Antroposthia axi Faubel, 1974 | | w | primary taxonomic authority (describer) | |
| Antroposthia unipora Faubel, 1974 | | w | primary taxonomic authority (describer) | |
| Antroposthiidae Convoluella Faubel, 1974 | | w | primary taxonomic authority (describer) | |
| Convoluella brunea Faubel, 1974 | | w | primary taxonomic authority (describer) | |
| Actinoposthia biaculeata Faubel, 1974 | | w | primary taxonomic authority (describer) | |
| Actinoposthiidae Microposthia Faubel, 1974 | [with synonyms] | w | primary taxonomic authority (describer) | |
| Microposthia listensis Faubel, 1974 | | w | primary taxonomic authority (describer) | |
| Paraproporus rosettiformis Faubel, 1974 | | w | primary taxonomic authority (describer) | |
| Praeconvoluta minor Faubel, 1974 | | w | primary taxonomic authority (describer) | |
| Haplogonaria psammalia Faubel, 1974 | | w | primary taxonomic authority (describer) | |
| Eumecynostomum papillosum (Faubel, 1974) | [with synonyms] | w | primary taxonomic authority (describer) | |
| Pseudmecynostomum bruneofilum Faubel, 1974 | | w | primary taxonomic authority (describer) | |
| Pseudmecynostomum papillosum Faubel, 1974 | | w | primary taxonomic authority (describer) | |
| Oligofilomorpha interstitiophilum Faubel, 1974 | | w | primary taxonomic authority (describer) | |
| Childiidae Microposthia Faubel, 1974 | | - | primary taxonomic authority (describer) | |
