original description
Hofker, J. (1956). Tertiary foraminifera of coastal Ecuador- Part II Additional notes on the Eocene species. <em>Journal of palaeontology.</em> 30: 891-958.
page(s): p. 946 [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
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]
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 trochospiral; aperture an interiomarginal equatorial arch that may extend to the umbilicus on the umbilical side, bordered by a lip or flap. L. Cretaceous (Barremian) to Holocene. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]