Parent taxon: Loftusiida according to E. Robinson and K. J. Cunningham 2022
Sister taxa: Ataxophragmioidea, Coskinolinidae, Textulariellidae
Subtaxa: Acervulinidae Spirocyclinidae
Ecology: stationary semi-infaunal omnivore
Distribution:
• Quaternary of Barbados (2 collections), Brazil (1), France (4), French Polynesia (1), Greece (2), Italy (2), Japan (4), Jordan (1), Mayotte (2), New Caledonia (2), Saudi Arabia (1), United States (4: Florida, Hawaii)
• Pliocene to Pleistocene of Saudi Arabia (1)
• Pliocene of Antigua and Barbuda (1), Egypt (3), Italy (2), New Zealand (1)
• Miocene to Pliocene of Australia (1), Jamaica (1)
• Miocene of Australia (2), Austria (3), Cape Verde (1), Cuba (1), Cyprus (2), Egypt (5), France (5), India (1), Indonesia (1), Italy (6), Malaysia (2), Romania (2), Spain (2), Türkiye (1)
• Oligocene of Indonesia (1), Iran (2), Italy (5), Spain (1)
• Eocene of Greece (1), Hungary (2), Iran (1), Iraq (7), Italy (6), Maldives (3), Romania (3), Slovenia (1), Spain (5), Tonga (1), United States (5: Florida)
• Paleocene to Eocene of India (13), Iraq (10)
• Paleocene of China (5), Croatia (1), Iran (1), Italy (2), Türkiye (1)
• Cretaceous of Austria (2), Spain (1)
• Jurassic of Czechia (1), Greece (1), Italy (3), Morocco (2), Saudi Arabia (6), Slovenia (5)
Total: 168 collections including 195 occurrences