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
From editor or global species database
Diagnosis Proloculus followed by streptospirally wound tubular chamber, at least in the early stage of coiling, later may become planispiral. L. Carboniferous (L. Visean), U. Mississippian to Holocene. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]