Full reference: V.I. Mikhalevich. 1980. Sistematika i evolyutsiya foraminifera v svete novykh dannykh po ikh tsitologii i ul'trastrukture [Systematics and evolution of foraminifera in the light of new data on their cytology and ultrastructure]. Trudy Zoologicheskogo Instituta 94:42-61
Parent taxon: Polymorphinida according to V.I. Mikhalevich 2013
Sister taxa: Pleurostomelloidea, Polymorphinidae
Subtaxa: Plectofrondiculariidae
Ecology: stationary semi-infaunal omnivore
Distribution:
• NN21 of Indian Ocean (1 collection), South Pacific (1)
• G. ruber PRZ of Indian Ocean (1)
• Quaternary of Indian Ocean (6), North Pacific (29), South Pacific (2)
• Pliocene to Pleistocene of Indian Ocean (2)
• Pliocene of Ecuador (2), Indian Ocean (3), North Pacific (4)
• Miocene of Austria (1), Costa Rica (1), Ecuador (2), Indian Ocean (18), New Zealand (3), North Atlantic (1), North Pacific (1), South Pacific (1), United States (1: Florida)
• Oligocene of Canada (1: British Columbia), North Atlantic (3), United States (4: California)
• Eocene of Canada (1: British Columbia), Ecuador (2), Egypt (2), North Atlantic (2), United States (5: California, Louisiana/Texas, Oregon, Washington)
Total: 100 collections including 108 occurrences