costatus, Leuciscus Fowler [H. W.] 1899:180 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 51; ref. 17572] Tan lan Ho River, tributary of Shu lan Ho, about 30 miles northeast of Lama-miau or Dolon-nor, Pechili Province, China. Syntypes: ANSP 16383-85 (3), 16386 (1, c&s). Type catalog: Böhlke 1984:73 [ref. 13621]. •Synonym of Phoxinus lagowskii Dybowski 1869, subspecies oxycephalus (Sauvage & Dabry de Thiersant 1874) -- (Berg 1949:583 [ref. 20661], Bogutskaya 1998:67 [ref. 23589]). •Valid as Rhynchocypris costata (Fowler 1899) -- (Howes 1985:60 [ref. 5274] as costatus). •Synonym of Phoxinus oxycephalus (Sauvage & Dabry de Thiersant 1874) -- (Luo in Chen et al. 1998:86 [ref. 23878]). •See also Reshetnikov et al. 1997:740 [ref. 24702]. •Synonym of Rhynchocypris lagowskii (Dybowski 1869) -- (Ocock et al. 2006:44 [ref. 28933]). •Synonym of Rhynchocypris oxycephalus (Sauvage & Dabry de Thiersant 1874 ) -- (Kottelat 2006:88 [ref. 28831]). Current status: Synonym of Rhynchocypris oxycephalus (Sauvage & Dabry de Thiersant 1874). Leuciscidae: Pseudaspininae. Habitat: freshwater.