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]
additional source
Rigaud, S.; Martini, R.; Vachard, D. (2015). Early evolution and new classification of the order Robertinida (Foraminifera). <em>The Journal of Foraminiferal Research.</em> 45(1): 3-28., available online at https://doi.org/10.2113/gsjfr.45.1.3 [details] Available for editors [request]
From editor or global species database
Diagnosis Test planispirally to trochospirally enrolled; chambers provided with internal partition that attaches near apertural foramen; wall of hyaline, perforate, ultrastructurally and optically radiate aragonite (orthorhombic crystal form of calcium carbonate), the hexagonal prisms with c-axis normal to the wall surface and basal pinacoid parallel to the surface, prisms in bundles surrounded by organic sheaths; extremely fine wall perforations may be localized in pore fields. M. Triassic to Holocene. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]