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Major Subgroups of Bryozoa


Class: Gymnolaemata

Order: Ctenostomata


Geological Range: Ordovician - Recent


Description: Zooids uncalcified, walls membranous or gelatinous, lacking ovicells. Bowerbankia is member of this order. The photo below shows a colony of Bowerbankia gracilis.  Note individual zooids have extended their lophophores for feeding. 


Photo by J. Winston, courtesy of Smithsonian Marine Station,
Fort Pierce, FL.


Back to Subgroups Table


Author: Luke Mander
Last updated: 20.11.05
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