original description
Schwager, C. (1877). Quadro del proposto sistema di classificazione dei foraminiferi con guscio. <em>Bolletino R. Comitato Geologico d'Italia.</em> 8: 18-27., available online at https://biodiversitylibrary.org/page/53535675 [details]
basis of record
Brönnimann, P.; Whittaker, J. E. (1988). The Trochamminacea of the Discovery Reports. A Review of the Trochamminacea (Protozoa: Foraminiferida) described from South Atlantic and Antarctic Waters by Heron-Allen and Earland (1932) and Earland
(1933, 1934, 1936). <em>British Museum (Natural History).</em> 152 p. [details]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Diagnosis Test trochospiral or may tend to uncoil in later stage; wall agglutinated; aperture interiomarginal. U. Carboniferous to Holocene. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]