Parent taxon: Neocheilostomina according to D. P. Gordon 2012
See also Berning 2006, Di Martino and Taylor 2015, Gordon et al. 1994, Guha and Gopikrishna 2007 and Schmidt 2003
Sister taxa: Adeonoidea, Ascophorina, Austroflustra, Bicorniferidae, Bifaxarioidea, Brettia, Brydonellidae, Buguloidea, Catenicelloidea, Cellarioidea, Celleporoidea, Chlidoniopsoidea, Conescharellinoidea, Cuvillieridae, Didymoselloidea, Dysnoetoporoidea, Euthyriselloidea, Flustroidea, Fusicellariidae, Hoeverella, Klugeflustra, Mamilloporoidea, Mourellinidae, Neoflustra, Pseudolepralioidea, Schizoporelloidea, Scorioporoidea, Siphonicytaroidea, Skyloniidae, Taeniocellaria, Taenioporinoidea, Urceoliporoidea
Subtaxa: Bitectiporidae Lanceoporidae Smittinidae Tubescharina Watersiporidae
Type: Smittina
Ecology: stationary epifaunal suspension feeder
Distribution:
• Quaternary of Barbados (1 collection), Costa Rica (4), Greece (2), Greenland (2), Italy (4), New Zealand (2), United States (14: California, Florida, New York, North Carolina, South Carolina, Virginia)
• Pliocene of Antarctica (2), Australia (5), Jamaica (1), New Zealand (5), Panama (7), Portugal (1), Spain (3), United States (1: California)
• Miocene to Oligocene of Australia (12)
• Miocene to Pliocene of Australia (1)
• Miocene of Algeria (2), Australia (3), Czechia (12), Egypt (1), France (2), French Southern Territories (1), Germany (1), Hungary (1), India (4), Indonesia (3), Morocco (3), New Zealand (3), Panama (2), Romania (2), Spain (8)
• Oligocene to Miocene of Australia (7)
• Oligocene of Australia (5), Germany (1), India (2), Malta (3), New Zealand (1), United States (9: Alabama, Mississippi)
• Eocene of India (2), New Zealand (3), the United Kingdom (1), United States (18: Alabama, Florida, Georgia, Mississippi)
• Paleocene of United States (1: Alabama)
• Cenozoic of Australia (2)
• Cretaceous of United States (1: Alabama)
Total: 171 collections including 381 occurrences