riauensis, Ungusurculus Schwarzhans [W.] & Møller [P. R.] 2007:93, Figs. 46-47 [The Beagle, Records of the Museums and Art Galleries of the Northern Territory v. 23; ref. 29457] Pulau Sudong, off Singapore, 1°10'N, 103°43'E. Holotype: ZMUC P771616. Paratypes: WAM P.31305-018 (11), P.31315-002 (9); ZMUC P771615 (1). Type catalog: Not treated by Moore et al. 2008 [ref. 30117]. •Valid as Ungusurculus riauensis Schwarzhans & Møller 2007 -- (Allen & Erdmann 2012:139 [ref. 31980], Møller et al. 2016:Appendix B [ref. 34432] in Dinematichthyidae). Current status: Valid as Ungusurculus riauensis Schwarzhans & Møller 2007. Dinematichthyidae. Distribution: Singapore and near Riau Islands. Habitat: marine.