Schröder, C. J.; Medioli, F. S.; Scott, D. B. (1989). Fragile Abyssal Foraminifera (Including New Komokiacea) from the Nares Abyssal Plain. Micropaleontology. 35(1): 10-48., available online at (https://doi.org/10.2307/1485535) page(s): p. 42, pl. 7, fig. 3 (holotype x 138).