The bryozoan classes are the three classes into which GBIF divides the phylum Bryozoa, the Stenolaemata with about 14,358 descendant taxa, the Gymnolaemata with about 14,336, and the much smaller Phylactolaemata with about 199. Bryozoans are almost always colonial, and a colony may hold from a few to millions of individual zooids. Their colonies take varied forms, from encrusting sheets that spread over rocks and shells to upright massive, sheetlike, branching or netlike growths, and most species alive today encrust.
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Bryozoan Classes
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GBIF Secretariat: GBIF Backbone Taxonomy, children of Bryozoa
GBIF SecretariatChildren of Bryozoa
"canonicalName":"Gymnolaemata","vernacularName":"Marine Bryozoans","authorship":"","nameType":"SCIENTIFIC","rank":"CLASS","origin":"SOURCE","taxonomicStatus":"ACCEPTED","nomenclaturalStatus":[],"remarks":"","numDescendants":14336
Children of Bryozoa: Stenolaemata
"canonicalName":"Stenolaemata","vernacularName":"narrow throat bryozoans","authorship":"","nameType":"SCIENTIFIC","rank":"CLASS","origin":"SOURCE","taxonomicStatus":"ACCEPTED","nomenclaturalStatus":[],"remarks":"","numDescendants":14358
Children of Bryozoa: Phylactolaemata
"canonicalName":"Phylactolaemata","vernacularName":"Freshwater Bryozoans","authorship":"","nameType":"SCIENTIFIC","rank":"CLASS","origin":"SOURCE","taxonomicStatus":"ACCEPTED","nomenclaturalStatus":[],"remarks":"","numDescendants":199
View the Source UC Museum of Paleontology: Morphology of the Bryozoa
UC Museum of PaleontologyBryozoa: More on MorphologyQuote, Bryozoa: More on Morphology
Encrusting bryozoans form flat sheets that spread out over rocks, shells, and other substrates.
Wikipedia: Gymnolaemata
WikipediaHas Member: Gymnolaemata, LeadQuote, Has Member: Gymnolaemata, Lead
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, like fish.
Wikipedia: Stenolaemata
Has Member: Stenolaemata, LeadQuote, Has Member: Stenolaemata, Lead
Stenolaemata are a class of exclusively marine bryozoans.
Wikipedia: Phylactolaemata
Has Member: Phylactolaemata, LeadQuote, Has Member: Phylactolaemata, Lead
Phylactolaemata is a class of the phylum Bryozoa whose members live only in freshwater environments.
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