Family
Mesotrypidae Astrova, 1965
Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Bryozoa | 
| Class | Stenolaemata | 
| Superorder | Palaeostomata | 
| Order | Trepostomata | 
| Suborder | Halloporina (suborder) | 
| Family | Bimuroporidae | 
| Capillaporidae | |
| Dittoporidae | |
| Halloporidae | |
| Mesotrypidae | |
| Monticuliporidae | |
| Phragmoporidae | |
| Ralfimartitidae | |
| Trematoporidae |