Species that contain: Himantura and chaophraya [ 2 ] records

chaophraya, Himantura Monkolprasit [S. P.] & Roberts [T. R.] 1990:204, Fig. 1 [Japanese Journal of Ichthyology v. 37 (no. 3); ref. 20065] Chao Phraya at Ayutthaya, about 100 kilometers up-river from mouth of Chao Phraya into Gulf of Thailand, Thailand. Holotype: KUMF 2998. Paratypes: KUMF 2999 (1), 3000 (1). See also Roberts 1998:267 [ref. 23552]. •Valid, but possibly a synonym of Himantura polylepis (Bleeker 1852) -- (Last & Stevens 1994:399 [ref. 23873], Kottelat 1998:20 [ref. 23436]). •Valid as Himantura chaophraya Monkolprasit & Roberts 1990 -- (Kottelat et al. 1993:2 [ref. 23448], Rainboth 1996:53 [ref. 22772], Last & Compagno 1999:1485 [ref. 24639], Compagno 1999:496 [ref. 25589], Kottelat 2001:25 [ref. 25780], Hutchins 2001:15 [ref. 25847], Allen et al. 2002:331 [ref. 25930], Morgan et al. 2004:151 [ref. 27718], Vidthayanon & Roberts 2006:124 [ref. 28695], Last et al. 2006:31 [ref. 28719], Manjaji-Matsumoto & Last 2006:295 [ref. 28776], Paxton et al. 2006:193 [ref. 28995], Last & Manjaji-Matsumo 2008:283 [ref. 29694], Schwartz 2008:37 [ref. 36773] as chaophyra). •Synonym of Himantura polylepis (Bleeker 1852) -- (Last & Manjaji-Matsumo 2008:289 [ref. 29694], Allen et al. 2008:28 [ref. 30265], Last el al. 2010:209 [ref. 32461], Kottelat 2013:26 [ref. 32989]). •Synonym of Urogymnus polylepis (Bleeker 1852) -- (Manjaji-Matsumoto et al. 2022:615 [ref. 39674]). Current status: Synonym of Urogymnus polylepis (Bleeker 1852). Dasyatidae: Urogymninae. Habitat: freshwater, brackish.

polylepis, Trygon Bleeker [P.] 1852:73 [Verhandelingen van het Bataviaasch Genootschap van Kunsten en Wetenschappen. v. 24 (art. 12); ref. 333] Jakarta, Java, Indonesia. Holotype (unique): RMNH 7452. •Synonym of Dasyatis imbricata (Bloch & Schneider 1801) -- (Dor 1984:17 [ref. 29757]). •A senior synonym of Himantura chaophraya Monkolprasit & Roberts 1991 -- (Last & Manjaji-Matsumo 2008:289 [ref. 29694] = valid as Himantura polylepis (Bleeker 1852)), Last el al. 2010:208 [ref. 32461]. •Valid as Himantura polylepis (Bleeker 1852) -- (Kottelat 2013:26 [ref. 32989], Weigmann 2016:136 [ref. 34211]). •Valid as Urogymnus polylepis (Bleeker 1852) -- (Last et al. 2016:363 [ref. 34581], Last et al. 2016:174 [ref. 34634], Iqbal & Yustian 2016:333 [ref. 34942], Last et al. 2016:618 [ref. 35010], Iqbal et al. 2017:84 [ref. 35489], Windusari et al. 2019:337 [ref. 37369] as cf. polylepis, Iqbal et al. 2019:371 [ref. 37370] as cf. polylepis, Psomadakis et al. 2020:211 [ref. 37272], Sen et al. 2020:91 [ref. 37564], Haque et al. 2021:215 [ref. 38677], Taki et al. 2021:37 [ref. 39830], Manjaji-Matsumoto et al. 2022:615 [ref. 39674], Sen et al. 2022:[2] [ref. 39737], Allen & Erdmann 2024:70 [ref. 40796]). Current status: Valid as Urogymnus polylepis (Bleeker 1852). Dasyatidae: Urogymninae. Distribution: South Asia and Southeast Asia: India, Bangladesh, Myanmar, Thailand, Cambodia, Malaysia and Indonesia. Habitat: freshwater, brackish.