original description
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
page(s): p. 639 [details] Available for editors [request]
basis of record
Gross, O. (2001). Foraminifera, <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels,</i> 50: pp. 60-75 (look up in IMIS) [details]
additional source
Neave, Sheffield Airey. (1939-1996). Nomenclator Zoologicus vol. 1-10 Online. <em>[Online Nomenclator Zoologicus at Checklistbank. Ubio link has gone].</em> , available online at https://www.checklistbank.org/dataset/126539/about [details]
additional source
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 [request]
From editor or global species database
Diagnosis Test trochospirally enrolled, spiral side evolute and flattened to slightly depressed below the margin of the final whorl of chambers, umbilical side elevated and involute, with subangular umbilical shoulder bordering the open umbilicus, sutures radial, straight to slightly curved, flush to depressed, periphery broadly truncate; wall calcareous, hyaline, optically granular, perforate, surface smooth; aperture a short equatorial and interiomarginal slit, bordered by a narrow lip, an umbilical flap extending into the umbilicus from each chamber partially covers the small secondary aperture, so that the latter can be seen around the umbilicus only when viewed obliquely. U. Oligocene to Holocene; cosmopolitan. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
From editor or global species database