original description
Voloshinova, N. A.; Dain, L. G. (1952). Нониониды, Кассидулиниды и хилостомеллиды-Nonionidae, Cassidulinidae and Chilostomellidae. <em>Ископаемые фораминиферы СССР-Fossil foraminifera of the USSR, Proceedings of the Oil Research Geological Institute (ВНИГРИ-VNIGRI).</em> new ser. 63: 1-114. [details]
additional source
Loeblich, A. R.; Tappan, H. (1987). Foraminiferal Genera and their Classification. Van Nostrand Reinhold Company, New York. 970pp., available online at https://books.google.pt/books?id=n_BqCQAAQBAJ [details] Available for editors [request]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Diagnosis Test trochospiral, at least in early stage; aperture a vertical slit in the final chamber face, paralleling the peripheral margin, or may tend to become areal. Oligocene to Holocene. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]