Species
Heterotrypa frondosa (d’Orbigny, 1850)
Klassificering
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Bryozoa |
| Class | Stenolaemata |
| Superorder | Palaeostomata |
| Order | Trepostomata |
| Suborder | Halloporina (suborder) |
| Family | Monticuliporidae |
| Subfamily | Heterotrypinae |
| Genus | Heterotrypa |
| Species | astrovae |
| compressa | |
| frondosa | |
| incrustans | |
| inflectiformis | |
| obscura | |
| praenuntia | |
| ringerikense | |
| semisphaerica | |
| undata |