original description
Hofker, J. (1951). The Foraminifera of the Siboga Expedition. Part 3. <em>Siboga Expeditie, monograph.</em> 4: 1-513. [details] Available for editors [request]
basis of record
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]
From editor or global species database
Diagnosis Test trochospiral throughout, with interiomarginal primary aperture. Eocene to Holocene. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]