basis of record
Gross, O. (2001). Foraminifera, in: Costello, M.J. et al. (Ed.) (2001). 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, 50: pp. 60-75 (look up in IMIS) [details]
From editor or global species database
Diagnosis Test trochospirally enrolled or triserial in the early stage, later may be reduced to triserial, biserial, or uniserial; wall canaliculate, agglutinated, commonly of calcareous particles, on a thick organic layer; aperture an interiomarginal slit to areal, single to multiple. M. Jurassic (Bajocian) to Holocene. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]