Nomenclature
original description
Loeblich, A. R.; Tappan, H. (1984). Suprageneric Classification of the Foraminiferida (Protozoa). <em>Micropaleontology.</em> 30(1): 1-70., available online at https://doi.org/10.2307/1485456 [details] Available for editors
[request]
Taxonomy
source of synonymy
Revets, S. A. (1996). The generic revision of five families of Rotaliine Foraminifera - Part 2. The Anomalinidae, Alabaminidae, Cancrisidae & Gavelinellidae. <em>Cushman Foundation for Foraminiferal Research, Special Publication.</em> 57-113., available online at http://www.cushmanfoundation.org/specpubs/sp34.pdf [details] Available for editors
[request]
Other
From editor or global species database
Diagnosis Test lenticular, chambers in low trochospiral coil; wall calcareous, finely perforate, hyaline oblique and optically granular in structure; aperture at base of apertural face, extending from near the periphery to the umbilical region, small secondary sutural openings on spiral side near junction of spiral and septal sutures, with similar small openings at sharp curve near midpoint of sutures on the umbilical side. Oligocene to Holocene. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]