anomalura, Oxygaster van Hasselt [J. C.] 1823:133 [Algemeene Konst- en Letter-bode voor het Jaar II Deel (no. 35); ref. 5963] Java, Indonesia. Holotype (unique): RMNH (apparently lost). Type information: Roberts 1993:20 [ref. 21799]. Regarded as available, brief description in combination with genus -- (see Alfred 1961:86 [ref. 20553], Kottelat 1987:372 [ref. 5962]). Also in van Hasselt 1824:377 [ref. 5964]. •Not regarded as available; in the synonymy of Oxygaster oxygaster (Valenciennes 1844) -- (Roberts 1989:55 [ref. 6439]). •Valid as Oxygaster anomalura van Hasselt 1823 -- (Bănărescu 1969:192 [ref. 7797], Bănărescu 1971:19 [ref. 20612], Roberts 1993:20 [ref. 21799], Kottelat et al. 1993:41 [ref. 23448], Kottelat & Lim 1996:232 [ref. 23210], Rainboth 1996:68 [ref. 22772], Doi 1997:9 [ref. 22832], Ng & Tan 1999:354 [ref. 24159], Kottelat & Widjanarti 2005:152 [ref. 28284], Parenti & Lim 2005:183 [ref. 28285], Tang et al. 2013:33 [ref. 32559], Sulaiman et al. 2018:29 [ref. 35802], Ng et al. 2019:528 [ref. 36606]). Current status: Valid as Oxygaster anomalura van Hasselt 1823. Xenocyprididae. Distribution: Southeast Asia. Habitat: freshwater.