Globothalamea - Rotaliida - Quadrimorphinidae
Full reference: K.M. Saidova. 1981. О современном состоянии системы надвидовых таксонов кайнозойских бентосных фораминифер - [On an up-to-date system of supraspecific taxonomy of Cenozoic benthonic foraminifera]. Akademiya Nauk SSSR 1-73
Parent taxon: Chilostomelloidea according to A. R. Loeblich and H. Tappan 1984
Sister taxa: Alabaminidae, Anomalinidae, Gavelinellidae, Karreriidae, Trichohyalidae
Subtaxa: Quadrimorphina
Ecology: stationary semi-infaunal omnivore
Distribution:
• NN21 of North Pacific (4 collections)
• Quaternary of North Atlantic (3)
• Miocene of North Pacific (4)
• Oligocene to Miocene of North Pacific (1)
• Oligocene of North Pacific (1)
• Eocene of North Atlantic (1), North Pacific (6)
• Cretaceous of Egypt (1), Indian Ocean (1), North Pacific (1), Tanzania (2), Tunisia (3)
Total: 28 collections each including a single occurrence