original description
Nomura, R. (1983). Cassidulinidae (foraminiferida) from the uppermost Cenozoic of Japan (part 1). <em>Tohoku University Scientific Reports, 2nd Series (Geology).</em> 53:1-101, pls. 1-25., available online at http://hdl.handle.net/10097/00104991
page(s): p. 94 [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]
Present
Inaccurate
Introduced: alien
Containing type locality
From editor or global species database
Diagnosis Test free, compressed, slightly elongate in side view, low chambers biserially arranged and strongly recurved, plane of biseriality enrolled as in Cassidulina, later stage may uncoil; wall calcareous, optically granular, finely perforate, surface smooth; aperture a long narrow interiomarginal slit, parallel to the periphery of the preceding chamber. Miocene to Holocene; USA: Tennessee; Japan. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
From editor or global species database