original description
Banner, F. T. (1982). A classification and introduction to the Globigerinacea, in F. T. Banner, and A. R. Lord, ed., Aspects of Micropalaeontology. <em>London: George Allen & Unwin.</em> 142-239., available online at https://doi.org/10.1007/978-94-011-6841-0_5 [details]
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 Early stage trochospiral, later with change in coiling direction or with enveloping final chamber; aperture in the early stage umbilical, sutural supplementary apertures absent in the trochospiral stage but may occur in the final enveloping stage, openings may be covered by bullae. M. to U. Eocene. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]