Gymnolaemata - Cheilostomata - Hippothoidae
Synonyms: Celleporellidae Norman 1894, Diazeuxidae Jullien 1888
Parent taxon: Hippothooidea according to D. P. Gordon 2012
See also Bassler 1953, Bock 2006, Brown 1952, Pouyet 2000 and Schmidt 2003
Sister taxa: Chorizoporidae, Dysnoetoporidae, Haplopomidae, Pasytheidae, Trypostegidae
Subtaxa: Antarctothoa Austrothoa Celleporella Dacryoporella Haplota Heterothoa Hippothoa Laterotecatia Neothoa Plesiothoa
Type: Hippothoa
Ecology: stationary epifaunal suspension feeder
Distribution:
• Quaternary of Greenland (1 collection), Italy (1), New Zealand (3), United States (1: California)
• Pliocene of Antarctica (1), New Zealand (3)
• Miocene of India (1), New Zealand (1)
• Eocene of New Zealand (1)
• Cretaceous of Australia (3)
Total: 16 collections including 17 occurrences