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]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Diagnosis Test a low trochospiral, chamber interior subdivided by paries proximus; aperture umbilical, with distinct flap extending over the umbilical region, may have additional openings at opposite end of the flaps. M. Eocene to Holocene. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]