Subgenus (Nioche) L. G. Hertlein & A. M. Strong, 1948

(3-4-4-0-26-7-1-15-9-0-0-0-0)
[see also as Genus]
[see also as it applies to Subgenus (Leukoma) under Genus Protothaca]

keenae T. Soot-Ryen, 1957
(3-4-4-0-26-7-1-15-9-1-0-0-0)
[=Protothaca (Leukoma) keenae (T. Soot-Ryen, 1957)]
Ref. Bernard, 1983 p 53

picta ex W. H. Dall, ms, G. Willett, 1944
(3-4-4-0-26-7-1-15-9-2-0-0-0)
[=Chione (Timoclea) picta G. Willett, 1944]
Ref. Bernard, 1983 p 52