walga, Trygon Müller [J.] & Henle [F. G. J.] 1841:159, [Pl. 51 (left)] [Systematische Beschreibung der Plagiostomen; ref. 3069] Bay of Bengal, Ganges Delta, India [Red Sea; Ganges Delta]. Lectotype: MNHN 0000-2431. Other former syntypes: (originally 9, most belonging to other species) BMNH 1889.2.1.4196 (1, Madras); MNHN 0000-2337 (1) Red Sea [= Brevitrygon manjajiae]; RMNH 2453-2455 (3) [= Brevitrygon heterura]. Type catalog: Bertin 1939:85-86 [ref. 20739], Séret & McEachran 1987:20 [ref. 9312]. Apparently based on multiple species; lectotype selected by Last et al. 2023:37 [ref. 40701]. •Synonym of Dasyatis imbricata (Bloch & Schneider 1801) -- (Dor 1984:17 [ref. 29757]). •Valid as Dasyatis walga (Müller & Henle 1841) -- (Krishnan & Mishra 1993:211 [ref. 24016], Mohsin & Ambak 1996:78 [ref. 27969]). •Synonym of Himantura imbricata (Bloch & Schneider 1801) -- (Séret & McEachran 1986:20 [ref. 9312], Talwar & Jhingran 1991:45 [ref. 20764], Randall 1995:45 [ref. 22896]). •Valid as Himantura walga (Müller & Henle 1841) -- (Last & Compagno 1999:1492 [ref. 24639], Compagno 1999:496 [ref. 25589], Vossoughi & Vosoughi 1999:304 [ref. 25467], Compagno in Randall & Lim 2000:583 [ref. 25122], Sujatha 2002:157 [ref. 26899], Compagno et al. 2005:74 [ref. 29145], Kimura 2009:13 [ref. 30426], Weigmann 2011:265 [ref. 32424], Last & White 2013:18 [ref. 32949], Kottelat 2013:26 [ref. 32989], Yoshida et al. 2013:15 [ref. 34464], Manjaji-Matsumoto in Kimura et al. 2015:8 [ref. 34319], Weigmann 2016:138 [ref. 34211] see remarks, Haroon & Kibria 2021:111 [ref. 39241]). •Valid as Brevitrygon walga (Müller & Henle 1841) -- (Last et al. 2016:360 [ref. 34581], Last et al. 2016:536 [ref. 35010], Ali et al. 2018:304 [ref. 36183], Golani & Fricke 2018:15 [ref. 36273], Jawad et al. 2018:96 [ref. 36262] as B. walga s.l., Suresh et al. 2018:48 [ref. 36495], Eagderi et al. 2019:9 [ref. 37020], Golzarianpour et al. 2020:330 [ref. 37674], Habib & Islam 2020:Supplementary table p. 3 [ref. 38321], Taki et al. 2021:36 [ref. 39830], Hsu et al. 2022:3 [ref. 39567], Manjaji-Matsumoto et al. 2022:602 [ref. 39674], Last et al. 2023:26 [ref. 40701]). Current status: Valid as Brevitrygon walga (Müller & Henle 1841). Dasyatidae: Urogymninae. Distribution: Indian Ocean: Bay of Bengal, Madras, eastern India, Bangladesh to Bok Ye-gan, Myanmar. Habitat: brackish, marine.
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