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. [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 trochospirally coiled; aperture an interiomarginal equatorial arch that may continue on the umbilical side to the umbilicus, where it is partially covered by a distinctive flap, flaps of successive chambers commonly remaining visible in the umbilical area. L. Cretaceous (Barremian) to Holocene. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]