heterosoma, Syngnathus Bleeker [P.] 1851:441 [Natuurkundig Tijdschrift voor Nederlandsch Indië v. 2 (no. 3); ref. 16897] Sambas, western Borneo, Indonesia. Syntypes: (3) ?BMNH 1867.11.28.345 (1), RMNH 7240 (2 of 3). •Valid as Doryichthys heterosoma (Bleeker 1851) -- (Dawson 1981:14 [ref. 5527], Dawson 1985:57 [ref. 6541], Roberts 1989:159 [ref. 6439], Kottelat et al. 1993:98 [ref. 23448], Paulus 1999:2270 [ref. 24794], Randall & Lim in Randall & Lim 2000:603 [ref. 25122], Tan & Lim 2004:110 [ref. 27716], Kuiter 2009:281 [ref. 30404], Kottelat 2013:303 [ref. 32989], Hamilton et al. 2016:Supplement 4 [ref. 35615]). •Valid as Microphis heterosoma (Bleeker 1851) -- (Haÿ et al. 2023:24 [ref. 40264]). Current status: Valid as Microphis heterosoma (Bleeker 1851). Syngnathidae: Nerophinae. Distribution: Indonesia: Kalimantan and Natunas Islands. Habitat: freshwater.