dorsohorizontalis, Nicholsicypris Nguyen [V. H.] & Doan [L. H.] 1969:10, Fig. 2 in ref. 29795 [Some data on composition, origin, and distribution of cyprinid species in northern Vietnam; ref. 25483] Ha Bac Province, Vietnam. Lectotype: RIAH 1041 (possible H.01.06.02.01). Paralectotypes: (5) 1 remaining in RIAH. See Kottelat 2001:113, 116 [ref. 25482] for availability issues. Spelled several ways originally; Kottelat 2001:116 [ref. 25482] as first reviser selected dorsohorizontalis See Nguyen & Doan 2008 [ref. 29793] for an English translation of ref. 25483. Lectotype selected by Roberts & Catania 2008:89 [ref. 29794], but holotype may be erroneous. •Status uncertain -- (Kottelat 2001:44 [ref. 25482], Roberts & Catania 2008:94 [ref. 29794]). •See Liao et al. 2011:662 [ref. 31495] for possible generic placement. •Questionably valid as Aphyocypris dorsohorizontalis (Nguyen & Doan 1969) -- (Kottelat 2013:76 [ref. 32989]). •Nomen nudum -- (Endruweit 2024:15 [ref. 41040]). Current status: Uncertain as Aphyocypris dorsohorizontalis (Nguyen & Doan 1969). Xenocyprididae. Distribution: Vietnam. Habitat: freshwater.