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 free, proloculus followed by enrolled nonseptate portion and later elongate and irregularly septate chambers, may uncoil and become elongate and rectilinear in the adult; aperture simple, interiomarginal to terminal. M. Triassic (U. Ladinian) to Holocene. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]