Olsson, A.A. & C.B. Wurtz. 1951. New Colombian Naiades, with observations on other species. Notulae Naturae (239): 1-9. Available electronically.
Olsson & Wurtz, 1951. Notulae Naturae (239): 6.
Type species: Chevronais colombiana Olsson & Wurtz, 1951 (orig. desig.) = Castalia ambigua

Olsson & Wurtz, 1951. Notulae Naturae (239): 6, text fig. 3-6.
Type(s): HOLOTYPE (ORIG. DESIG.) ANSP_187181, Rio Caqueta, above Tres Esquinas, Colombia.

Olsson & Wurtz, 1951. Notulae Naturae (239): 7, figs. 7-10.
Type(s): HOLOTYPE ANSP_187180, Cano Las Animas, near Chiriguana, Colombia.

Olsson & Wurtz, 1951. Notulae Naturae (239): 5, figs. 11-12.
(intro'd as intra-sp. of Hyria rugosissima Sowerby, 1869)
Type(s): HOLOTYPE ANSP_187179, Rio Mecaya Area, Caqueta [= Japurá] Basin, Colombia.