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]
From editor or global species database
Diagnosis Test planispirally enrolled and involute to partially evolute with septa formed by continuation of outer wall; wall agglutinated, simple, not alveolar; aperture single or multiple, equatorial in position, basal to areal. U. Triassic to Holocene. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]