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
additional source
Loeblich, A. R.; Tappan, H. (1987). Foraminiferal Genera and their Classification. Van Nostrand Reinhold Company, New York. 970pp., available online at https://books.google.pt/books?id=n_BqCQAAQBAJ [details] Available for editors
From editor or global species database
Diagnosis Test planispirally enrolled or may be slightly asymmetrical, biumbilicate, nearly involute; chambers inflated, subglobular to radially elongate and terminally clavate; wall hyaline, perforate, optically radiate, surface smooth, nonspinose; primary aperture symmetrical and equatorial, with bordering lip. Paleocene to Oligocene. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]