Inversiulidae is a family of bryozoans in the order Cheilostomatida.
Description Colonies are often encrusting sheets on shells or rocks. The zooids are characterised by having an operculum that opens in the opposite way to other cheilostome genera; i.e. the hinge is located at the 'top' (towards the growing edge) of the zooid.
Classification This family includes the following genera: Inversiula Jullien, 1888 Parainversiula López-Gappa, Ezcurra, Schwaha & Pérez, 2023
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