Family Otionellidae Bock and Cook 1998 (bryozoan)
Gymnolaemata - Cheilostomata - Otionellidae
Parent taxon: Lunulitoidea according to E. HaĚŠkansson et al. 2023
See also Bock 2006, Gordon 2012 and Schmidt 2003
Sister taxa: Lunulariidae, Lunulitidae, Selenariidae
Subtaxa: Helixotionella Kausiaria Otionella Otionellina Petasosella
Type: Otionella
Ecology: stationary epifaunal suspension feeder
Distribution: