kyphus, Yaoshanicus Mai [D. Y.] 1978:138, Fig. 61 [Identification of the fresh-water fishes of North Viet Nam v. 1; ref. 13511] Ky-Phú Creek and Câu River, Cho-Moi, Hòa-Binh, northern Vietnam. Holotype (unique): DVZUT. •Status uncertain -- (Kottelat 2001:44 [ref. 25482]). •See Liao et al. 2011:662 [ref. 31495] for possible generic placement. •Questionably valid as Aphyocypris kyphus (Mai 1978) -- (Kottelat 2013:74 [ref. 32989]). •Valid as Aphyocypris kyphus (Mai 1978) -- (Endruweit 2025:118 [ref. 42401]). •Synonym of Aphyocypris dorsohorizontalis (Nguyen & Doan 1969). Current status: Synonym of Aphyocypris dorsohorizontalis (Nguyen & Doan 1969). Xenocyprididae. Habitat: freshwater.