Species that contain: Acantopsis and dialuzona [ 5 ] records

choerorhynchus, Acanthopsis Günther [A.] 1868:365 [Catalogue of the fishes in the British Museum v. 7; ref. 1990] Unjustified emendation of Cobitis choirorhynchos Bleeker 1854. •Synonym of Acantopsis dialuzona van Hasselt 1823. Current status: Synonym of Acantopsis dialuzona van Hasselt 1823. Cobitidae. Habitat: freshwater.

choirorhynchos, Cobitis Bleeker [P.] 1854:95 [Natuurkundig Tijdschrift voor Nederlandsch Indië v. 7 (no. 1); ref. 16939] Confluence of Lamatang and Enim rivers, eastern Sumatra, Palembang Province, Indonesia. Lectotype: RMNH 4977. Paralectotypes and/or Bleeker specimens: AMS B.7533 (1), BMNH 1866.5.2.39 (1), RMNH 2397 (2). Spelled choirorrhynchus in Bleeker 1863:9 [ref. 4859]. Lectotype selected by Alfred 1961:33 [ref. 20552]. •Valid as Acantopsis choirorhynchos (Bleeker 1854) -- (Roberts 1989:97 [ref. 6439], Talwar & Jhingran 1991:518 [ref. 20764], Ye in Pan et al. 1991:252 [ref. 23876] as Acanthopsis, Menon 1992:102 [ref. 23970], Zhu 1995:126 [ref. 25213] as Acanthopsis choirorhyrchos, Sontirat 1999:67 [ref. 23935], Vishwanath & Laisram 2005:434 [ref. 28250], Zhang et al. 2016:151 [ref. 34477]). •Synonym of Acanthopsis dialuzona van Hasselt 1823 -- (Kottelat 2012:22 [ref. 32367], Kottelat 2013:177 [ref. 32989], Boyd et al. 2017:163 [ref. 35656]). Current status: Synonym of Acantopsis dialuzona van Hasselt 1823. Cobitidae. Habitat: freshwater.

dialuzona, Acantopsis van Hasselt [J. C.] 1823:133 [Algemeene Konst- en Letter-bode voor het Jaar II Deel (no. 35); ref. 5963] Jakarta, Java, Indonesia. Syntypes: RMNH 2707 (1). Type information: Roberts 1993:23 [ref. 21799]. Regarded as available (see Alfred 1961:86 [ref. 20553], Kottelat 1987:372 [ref. 5962]). Also in van Hasselt 1824:377 [ref. 5964]. •Valid as Acantopsis dialuzona van Hasselt 1823 -- (Roberts 1989:99 [ref. 6439], Siebert 1991:912 [ref. 20043], Kottelat et al. 1993:58 [ref. 23448], Roberts 1993:23 [ref. 21799], Doi 1997:14 [ref. 22832], Ng & Tan 1999:356 [ref. 24159], Kottelat & Widjanarti 2005:157 [ref. 28284] as cf. dialuzona, Kottelat 2012:22 [ref. 32367], Kottelat 2013:177 [ref. 32989], Boyd et al. 2017:163 [ref. 35656], Boyd et al. 2018:[7] [ref. 36347], Ng et al. 2019:519 [ref. 36606], Fu et al. 2021:9567 [ref. 39347], Hasan et al. 2022:6035 [ref. 39888]). Current status: Valid as Acantopsis dialuzona van Hasselt 1823. Cobitidae. Distribution: Southeast Asia: Java, Borneo, Sumatra, Malaya (Malaysia), southern Thailand, Yunnan (China). Habitat: freshwater.

macrorhynchos, Cobitis Bleeker [P.] 1854:95 [Natuurkundig Tijdschrift voor Nederlandsch Indië v. 7 (no. 1); ref. 16939] Java, Indonesia. Syntypes: (8) ?BMNH 1866.5.2.40 (1); RMNH 7057 (5). Unnecessary replacement name for Acantopsis dialuzona v. Hasselt 1823. Invalid lectotype selection by Alfred 1961:34 [ref. 20552], he dated species to 1857 [ref. 13960] with locality Borneo or Java; the original locality in 1854 was Java. •Synonym of Acantopsis choirorhynchos (Bleeker 1854) -- (Menon 1992:102 [ref. 23970] as macrorhynchus and choirorhynchus). •Synonym of Acantopis dialuzona van Hasselt 1823 --- (Kottelat 2012:22 [ref. 32367], Kottelat 2013:177 [ref. 32989], Boyd et al. 2017:163 [ref. 35656]). Replacement Name. Current status: Synonym of Acantopsis dialuzona van Hasselt 1823. Cobitidae. Habitat: freshwater.

pictorius, Aperioptus Richardson [J.] 1848:27, Pl. 10 (figs. 4-5) [The zoology of the voyage of H. M. S. Samarang; ref. 3744] Borneo. Syntypes: (2, destroyed). Neotype desgnated by Page & Tangjitjaroen 2015:181 [ref. 33815]. Kottelat 2020:297 [ref. 37435] considers neotype designation [RMNH 31273] as invalid. •Questionably a synonym of Acantopsis dialuzona van Hasselt 1823 -- (Kottelat 2012:22 [ref. 32367], Kottelat 2013:177 [ref. 32989]). •Valid as Aperioptus pictorius Richardson 1848 -- (Page & Tangjitjaroen 2015:179 [ref. 33815], Ng et al. 2019:519 [ref. 36606]). •Questionably in family Gonorynchidae -- (Kottelat 2020:298 [ref. 37435]). Gonorynchidae. Habitat: brackish, marine.