ionthas, Notropis Jordan [D. S.] & Gilbert [C. H.] 1886:11 [Proceedings of the United States National Museum v. 9 (no. 549) (for 14 Aug. 1886); ref. 10626] Not available; manuscript name mentioned under Notropis dilectus (Gilbert 1978:22 [ref. 7042]). Later described as Notropis perpallidus Hubbs & Black 1940 -- (Gilbert 1998:96 [ref. 23395]). Nomen Nudum. Current status: Synonym of Miniellus perpallidus (Hubbs & Black 1940). Leuciscidae: Pogonichthyinae.