Inversiulidae

Taxobox
name = Inversiulidae
fossil_range = Oligocene - Recent
regnum = Animalia
phylum = Bryozoa
classis = Gymnolaemata
ordo = Cheilostomata
subordo = Ascophora
familia = Inversiulidae
familia_authority = Vigneaux, 1949
subdivision_ranks = Genera
subdivision = * "Inversiula"

The Inversiulidae is a family within the bryozoan order Cheilostomata. 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.