laocaiensis, Lissochilus Nguyen [V. H.] & Doan [L. H.] 1969:12, Fig. 8 in ref. 29795 [Some data on composition, origin, and distribution of cyprinid species in northern Vietnam; ref. 25483] Suoi Trinh Quyen stream, Lao Cai Province, Vietnam. Lectotype: RIAH 173. Syntypes: (8) lost. Apparently available from Hao & Hoa 1969 (see Kottelat 1989:1102 [ref. 14361]). Kottelat 2001:16 [ref. 25482] dates to Nguyen & Doan 1969 which is the same as Hao & Hoa 1969. See Kottelat 2001:113, 119 [ref. 25482] for availability issues. Spelled in more than one way originally, Kottelat 2001:119 [ref. 25482] as first reviser selected laocaiensis. See Nguyen & Doan 2008 [ref. 29793] for an English translation of ref. 25483. •Valid as Lissochilus laocaiensis Lin 1935 -- (Nguyen 1997:3 [ref. 24128]). •Questionably a synonym of Acrossocheilus clivosius (Lin 1935) -- (Kottelat 2001:16 [ref. 25482]). •Valid as Acrossocheilus laocaiensis (Nguyen & Doan 1969) [for the Red River basin species related to clivosius] -- (Roberts & Catania 2008:95 [ref. 29794], Kottelat 2013:71 [ref. 32989]). •Synonym of Acrossocheilus microstoma (Pellegrin & Chevey 1936) -- (Hoàng et al. 2025:14 [ref. 41866] as microstomus). Current status: Synonym of Acrossocheilus microstoma (Pellegrin & Chevey 1936). Cyprinidae: Acrossocheilinae. Habitat: freshwater.