original description
Griffith, J. W., and A. Henfrey, 1875, The Micrographic Dictionary, vol. 1, 3rd ed. London: van Voorst., available online at https://www.biodiversitylibrary.org/bibliography/63328#/summary [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 [request]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Diagnosis Test free or attached, planispiral or irregularly coiled, at least in the early stage, later may be spreading or branched; wall calcareous, porcelaneous, may have outer agglutinated coating; aperture simple, rounded, slitlike or cribrate. M. Triassic (Anisian) to Holocene. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]