Homotrypa
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| Homotrypa | |
|---|---|
| Scientific classification Edit this classification | |
| Kingdom: | Animalia |
| Phylum: | Bryozoa |
| Class: | Stenolaemata |
| Order: | †Trepostomida |
| Family: | †Monticuliporidae |
| Genus: | †Homotrypa Ulrich, 1882[1] |
Homotrypa is an extinct genus of bryozoans from the Ordovician and Silurian periods, known from fossils found in the United States. Its colonies are branch-like and have small monticules made of groups of three or four larger zooecia slightly protruding out from the main surface of the colony.[2][3] In cross section, the zooecia (tubes housing individual zooids) are erect in axis and gently curve toward the surface of the colony.[4]
Species
[edit | edit source]- Homotrypa curvata (Ulrich, 1882)
- Homotrypa niagarensis (Ernst, Brett and Wilson, 2019)[5]
- Homotrypa anticostiensis (Bassler, 1928)
- Homotrypa ramulosa (Bassler, 1903)
References
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