dunckeri, Phallostethus Regan [C. T.] 1913:550, Figs. 1-4 [Annals and Magazine of Natural History (Series 8) v. 12 (no. 72); ref. 3657] Muar River, Johore, Malaysia. Lectotype: ZMH H193. Paralectotypes: BMNH 1913.5.24.18-20 (3), 1913.5.24.21 (1), 1913.5.24.22 (1, c&s, whereabouts unknown); ZMH H194-195 (?7 of 19). Type catalog: Ladiges et al. 1958:161 [ref. 19181], Wilkens & Dohse 1993:404 [ref. 21161] as syntypes. Lectotype selected by Ladiges et al. 1958:161 [ref. 19181]. •Valid as Phallostethus dunckeri Regan 1913 -- (Parenti 1989:267 [ref. 13486], Parenti 1996:704 [ref. 22231], Shibukawa et al. 2012:45 [ref. 32037], Kottelat 2013:285 [ref. 32989], Parenti 2014:178 [ref. 33268] ). Current status: Valid as Phallostethus dunckeri Regan 1913. Phallostethidae. Distribution: Southeast Asia: Muar River drainage, peninsular Malaysia. Habitat: freshwater.