Alternative spelling: Trochamminacea
Parent taxon: Tochamminina according to B. W. Hayward et al. 2022
See also Loeblich and Tappan 1984 and Margerel 2012
Sister taxa: none
Subtaxa: Adercotrynidae Conotrochamminidae Trochamminidae
Ecology: stationary epifaunal omnivore
Distribution:
• NN21 of North Pacific (1 collection), South Pacific (1)
• G. truncatulinoides PRSZ of Indian Ocean (1)
• Quaternary of North Pacific (9), Southern Ocean (1)
• Pliocene of North Pacific (4), United States (1: South Carolina)
• Miocene of Australia (1), New Zealand (1), North Atlantic (1), Peru (2), United States (1: California)
• NN1 of South Pacific (1)
• Oligocene to Miocene of North Pacific (1)
• Oligocene of Indian Ocean (1), Japan (1), North Atlantic (4), South Pacific (6)
• Eocene of India (7), Indian Ocean (1), South Pacific (11), Spain (10), United States (4: California, Louisiana/Texas, Oregon)
• Tertiary of Indian Ocean (1)
• Paleocene of Denmark (1), Egypt (2), North Atlantic (4), Spain (1), Suriname (2)
• Cretaceous to Paleogene of South Pacific (1)
• Cretaceous of Canada (24: Alberta, Northwest Territories), Chile (1), Egypt (9), Germany (1), Greece (3), Indian Ocean (12), Italy (2), Japan (1), Peru (1), Poland (7), Portugal (8), Romania (2), the Russian Federation (16), South Africa (29), South Atlantic (1), South Pacific (2), Tanzania (1), Ukraine (3)
• Jurassic of Austria (3), Egypt (3), France (2), Germany (7), Jordan (1), the Russian Federation (12), Spain (28), Switzerland (1), the United Kingdom (1)
• Triassic of Austria (11), China (30), Germany (2), Hungary (4), Indian Ocean (4), Iran (2), Italy (6), Japan (1), Papua New Guinea (1), Poland (1), the Russian Federation (3), Serbia (5), Slovakia (6), Spain (1), Türkiye (5)
• Permian of Australia (30), Lithuania (6), the Russian Federation (1)
• Carboniferous of United States (3: Texas)
Total: 386 collections including 473 occurrences