Temporal range: Ordovician–Recent
These animals are stationary suspension feeders that live on the ocean floor. The individuals in the colony may be tubular, conical, or sac-shaped. Each individual, or zooid, may extend from the colony at an angle, extending its tentacles to feed.
The fossil genus Batostoma in the order Trepostomatida existed in monticular colonies.
Stenolaemata were the predominant bryozoan group during the Paleozoic. Some grew as lacy or fan-like colonies that became important reef builders and in some regions form an abundant component of limestones. Their numbers were greatly reduced during the terminal Permian extinction event, but the order Cyclostomatida survives today.
Extant and extinct orders in this class include:
- Cryptostomida †
- Cystoporata †
- Cystoporida †
- Fenestrida †
- Trepostomatida †
|Wikimedia Commons has media related to Stenolaemata.|
- Stenolaemata. The Digital Atlas of Ordovician Life.
- Ramalho, L. V., G. Muricy, and P. D. Taylor. (2009). Cyclostomata (Bryozoa, Stenolaemata) from Rio de Janeiro State, Brazil. Zootaxa 2057 32-52.
- Barnes, R. D. (1982). Invertebrate Zoology. Philadelphia, PA: Holt-Saunders International. p. 902. ISBN 0-03-056747-5.
- Bock, P. (2015). Stenolaemata. In: Bock, P.; Gordon, D. (2015). World List of Bryozoa. Accessed through the World Register of Marine Species.
- Stenolaemata. Fossilworks.
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