Species
Homotrypa alata Cumings et Galloway, 1913
Synonymy list
1913     Homotrypa alta — Cumings & Galloway , pp. 429 − 430, fig. 9:1-1c; 10: 1-1c
Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Bryozoa | 
| Class | Stenolaemata | 
| Superorder | Palaeostomata | 
| Order | Trepostomata | 
| Suborder | Halloporina (suborder) | 
| Family | Monticuliporidae | 
| Subfamily | Monticuliporinae | 
| Genus | Homotrypa | 
| Species | alata | 
| cribrosa | |
| cumingsi | |
| curvata | |
| flabellaris | |
| grandialveolata | |
| granulifera | |
| hospitalis | |
| instabileformis | |
| instabilis | |
| modzalevskae | |
| obliqua | |
| ordoviciana | |
| pauli | |
| peculiaris | |
| similis | |
| subcurvata | |
| vacua |