original description
Loeblich, A. R.; Tappan, H. (1964). Treatise on Invertebrate Paleontology, Part C: Protista 2, Sarcodina, chiefly "Thecamoebians" and Foraminiferida. <em>Geological Society of America and University of Kansas Press, Lawrence.</em> [details] Available for editors
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
source of synonymy
Revets, S. A. (1996). The generic revision of five families of Rotaliine Foraminifera - Part 2. The Anomalinidae, Alabaminidae, Cancrisidae & Gavelinellidae. <em>Cushman Foundation for Foraminiferal Research, Special Publication.</em> 57-113., available online at http://www.cushmanfoundation.org/specpubs/sp34.pdf [details] Available for editors
From editor or global species database
Diagnosis Aperture with an interiomarginal part that may be indicated only by a deeply indented murus reflectus and a separate or joined vertical or oblique part that extends up the apertural face, or aperture may be areal and may become multiple. L. Cretaceous (Albian) to Holocene. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]