Comprehensive Description

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Bryozoans in this family form erect tufted colonies. Autozooids are long and slender, attenuating proximally, with a membranous frontal area; arranged singly or paired back to back, in branching series, the buds arising disto-basally. No spines, avicularia or ooecia.

Two British genera are included in this family, Eucratea and Brettia. The genus Brettia and its type B. pellucid Dyster, 1858, are based on a single specimen collected at Tenby. It has not been found since and the type material, slide number 1899.7.1.958 in the British Museum (Natural History) collection, is unrecognizable.  A decision on the status, or even the existence, of this species must await discovery of fresh material. It is noteworthy that the slide of the type material includes a single, detached zooid of a species of Bugula.
(Hayward and Ryland, 1998)


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© Sally Rouse

Source: Bryozoa of the British Isles

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