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. 282 [details]
context source (Deepsea)
Murray, J.W. (2006). Ecology and applications of benthic foraminifera. <em>Cambridge, UK, Cambridge University Press.</em> 426pp., available online at http://www.cambridge.org/9780521828390 [details] Available for editors
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
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Diagnosis Test lenticular to flattened and ovoid, periphery subangular to carinate, chambers biserially arranged and plane of biseriality planispirally enrolled, commonly with umbonal boss of clear calcite, sutures radial to oblique, straight to curved, flush; wall calcareous, hyaline, optically granular, perforate, surface smooth, polished; aperture a narrow arched slit at the base of the apertural face and parallel to the peripheral margin, partially closed by an apertural plate, no internal toothplate. U. Eocene to Holocene; cosmopolitan. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
From editor or global species database