Parent taxon: Flustrina according to S. S. Brezina et al. 2021
Sister taxa: Buguloidea, Calloporoidea, Cribrilinoidea, Flustroidea, Haigina, Lunulitoidea, Microporoidea, Monoporelloidea, Peedeesellidae, Umbonulomorpha
Subtaxa: Steginoporellidae
Ecology: stationary epifaunal suspension feeder
Distribution:
• Quaternary of Costa Rica (4 collections), New Zealand (2)
• Pliocene of Australia (2), New Zealand (3), Spain (1)
• Miocene to Oligocene of Australia (3)
• Miocene of Australia (3), Brazil (6), the Czech Republic (3), Egypt (1), France (3), Germany (2), India (5), Indonesia (1), Morocco (1), Panama (2), Romania (1), Spain (5)
• Oligocene to Miocene of Australia (1)
• Oligocene of Germany (1), India (2), New Zealand (1)
• Eocene of India (3), United States (4: Alabama, Florida)
• Paleocene of Argentina (1)
Total: 61 collections including 76 occurrences