typus, Rhinobatus Anonymous [Bennett [E. T.]] 1830:694 [Memoir of the life and public services of Sir Thomas Stamford Raffles; ref. 259] Sumatra, Indonesia; India. Syntypes: BMNH 1852.8.30.17 (dry) Sumatra. Based on Rhinobatus rhinobatus of Bloch & Schneider 1801:353 [ref. 471]. On Code recommendation 51D, the anonymous author is listed in square brackets. •Valid as Rhinobatos typus Anonymous [Bennett] 1830 -- (Last & Stevens 1994:290 [ref. 23873], Allen 1997:44 [ref. 23977], Larson & Williams 1997:343 [ref. 23967], Compagno & Last 1999:1429 [ref. 24637], Johnson 1999:718 [ref. 25471], Compagno 1999:485 [ref. 25589], Compagno in Randall & Lim 2000:582 [ref. 25122], Hutchins 2001:15 [ref. 25847], Paxton et al. 2006:178 [ref. 28994], Last et al. 2006:267 [ref. 29418]). •Valid as Glaucostegus typus (Anonymous [Bennett] 1830) -- (Compagno et al. 2005:61 [ref. 29145], Last el al. 2010:156 [ref. 32461], Naylor et al. 2012:90 [ref. 32267] see remarks, Larson et al. 2013:17 [ref. 32988], Kottelat 2013:24 [ref. 32989], Weigmann 2016:86 [ref. 34211], Last et al. 2016:473 [ref. 34473], Séret et al. 2016:116 [ref. 34993], White et al. 2017:210 [ref. 35860], Kumar et al. 2018:297 [ref. 36178], White & Ko'ou 2018:49 [ref. 35922], Bineesh et al. 2020:23 [ref. 37641], Habib & Islam 2020:Supplementary table p. 3 [ref. 38321], Psomadakis et al. 2020:197 [ref. 37272], Habib & Islam 2021:141 [ref. 38397], Haroon & Kibria 2021:97 [ref. 39241], Gloerfelt-Tarp & Kailola 2022:29 [ref. 41223], Nazareth et al. 2022:7 [ref. 39083], Séret & Carvalho 2022:575 [ref. 39672], Allen & Erdmann 2024:64 [ref. 40796], Glaus et al. 2024:8 [ref. 40788]). Current status: Valid as Glaucostegus typus (Anonymous [Bennett] 1830). Glaucostegidae. Distribution: Indo-West Pacific: southern India, Sri Lanka and Bangladesh east to Indonesia and Fiji, north to Thailand, south to northern Australia. Not recorded from Philippines. Habitat: freshwater, brackish, marine.