Cózar, P.; Mamet, B. L. (2001). Planohowchinia (Lasiodiscidae, Foraminiferida), a new Late Viséan genus, southwestern Spain. The Journal of Foraminiferal Research. 31(3): 228-232., available online at (https://doi.org/10.2113/31.3.228) page(s): p. 229, Plate 1, figs. 1–11 (holotype fig. 1).
