Species
Monotrypa osgoodensis Bassler, 1906
Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Bryozoa |
| Class | Stenolaemata |
| Superorder | Palaeostomata |
| Order | Trepostomata |
| Suborder | Amplexoporina |
| Family | Anisotrypidae |
| Subfamily | Anisotrypinae |
| Genus | Monotrypa |
| Species | fontinalis |
| gotlandica | |
| jewensis | |
| magna | |
| maxima | |
| osgoodensis | |
| undulata | |
| Monotrypa? sinuosa |