| 释义 |
- Orders
- External links
{{Unreferenced|type=animal|date=December 2009}}{{Automatic taxobox
| image = Flustra foliacea.jpg
| image_caption = Flustra foliacea
| taxon = Gymnolaemata
| authority = Allman, 1856
| subdivision_ranks = Orders
| subdivision = See text
}}Gymnolaemata are a class of Bryozoans. Gymnolaemata are sessile, mostly marine organisms and grow on the surfaces of rocks, kelp, and in some cases on animals{{citation needed|date=January 2017}}, like fish. Zooids are cylindrical or flattened. The lophophore is protruded by action of muscles pulling on the frontal wall. This order includes the majority of living bryozoan species. Orders - Cheilostomata
- Ctenostomata
- †Cryptostomata
External links - {{Commons category-inline|Gymnolaemata}}
- {{Wikispecies-inline}}
{{Taxonbar|from=Q135050}}{{Bryozoan-stub}} 2 : Gymnolaemata|Protostome classes |