original description
Orbigny, A. D. d'. (1826). Tableau méthodique de la classe des Céphalopodes. <em>Annales des Sciences Naturelles.</em> vol. 7: 96-169, 245-314., available online at http://biodiversitylibrary.org/page/5753959
page(s): p. 298 [details]
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 
From editor or global species database
Diagnosis Test ovate to fusiform in outline, with flattened sides and truncate periphery, microspheric proloculus followed by planispirally wound tubular second chamber of one whorl in length, later part of microspheric test and all of megalospheric test with chambers onehalf coil in length added in a single plane; wall calcareous, imperforate, porcelaneous; aperture at the open end of the final chamber, with simple or bifid tooth, commonly slightly produced on a short neck. U. Cretaceous (Santonian) to Holocene; cosmopolitan. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]Unreviewed
Habitat Known from seamounts and knolls [details]
From editor or global species database