original description
Saidova, K. M. (1981). О современном состоянии системы надвидовых таксонов кайнозойских бентосных фораминифер - [On an up-to-date system of supraspecific taxonomy of Cenozoic benthonic foraminifera]. <em>Akademiya Nauk SSSR.</em> 1-73., available online at https://books.google.pt/books?id=h-jxnSjjmhQC [details] Available for editors
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From editor or global species database
Diagnosis Test in a low trochospiral coil; wall thin and agglutinated, single layered; aperture equatorial, an ovate, V-shaped, or slitlike areal opening or openings, and may also have an interiomarginal opening. M. to U. Eocene; Holocene. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]