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Genus of moss animals From Wikipedia, the free encyclopedia
Arachnidium are a genus of colonial ctenostome bryozoans. They lack a calcified cuticle and form dense encrusting colonies on barnacles or other shelled organisms. Individual zooids are roughly 150 microns in size, have a lophophore with about 13 tentacles, and have about 10 to 11 connections to other zooids in the colony.[1]
Arachnidium | |
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Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Bryozoa |
Class: | Gymnolaemata |
Order: | Ctenostomatida |
Family: | Arachnidiidae |
Genus: | Arachnidium |
Species | |
A. fibrosum Hincks, 1880[1] |
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