shelfordii, Acanthophthalmus Popta [C. M. L.] 1903:231, Fig. [Notes from the Leyden Museum v. 23 (no. 4) (art. 33) (for Oct. 1901); ref. 15039] Sarawak River near Kuching, Sarawak state, Borneo, East Malaysia. Holotype (unique): RMNH 7661. •Valid as Acantophthalmus shelfordii Popta 1903 -- (Roberts 1989:98 [ref. 6439] as shelfordi). •Valid as Pangio shelfordii (Popta 1903) -- (Kottelat et al. 1993:61 [ref. 23448], Kottelat & Lim 1993:240 [ref. 21437], Kottelat & Lim 1996:238 [ref. 23210], Doi 1997:15 [ref. 22832], Ng & Tan 1999:357 [ref. 24159], Kottelat & Widjanarti 2005:159 [ref. 28284], Tan & Kottelat 2009:58 [ref. 30261], Kottelat 2012:40 [ref. 32367], Kottelat 2013:184 [ref. 32989]). Current status: Valid as Pangio shelfordii (Popta 1903). Cobitidae. Distribution: Asia. Habitat: freshwater.