Pastinachus (subgenus of Trigon) Rüppell [W. P. E. S.] 1829:51 Masc. Raja sephen Forsskål 1775. Type by subsequent designation. Original not examined. Type designated by Garman 1913:375 [ref. 1545]. •Appears to be a senior synonym of currently-recognized genus Hypolophus Müller & Henle 1837 -- (Paxton et al. 1989:43 [ref. 12442], Last & Compagno 1999:1482 [ref. 24639]). •Valid as Pastinachus Rüppell 1829 -- (Compagno 1999:496 [ref. 25589], Rosenberger 2001:615 [ref. 25447], Last et al. 2005:2 [ref. 28346], Compagno et al. 2005:74 [ref. 29145], Roberts 2007:285 [ref. 29413], Schwartz 2008:38 [ref. 36773] as Pastinacus, Last & Manjaji-Matsumoto 2010:116 [ref. 30854], Last et al. 2010:121 [ref. 30855], Kottelat 2013:27 [ref. 32989], Lim et al. 2015:13 [ref. 34441] in Pastinachidae, Last et al. 2016:364 [ref. 34581] in Hypolophinae, Last et al. 2016:527 [ref. 35010], White et al. 2017:248 [ref. 35860], Fricke et al. 2018:26 [ref. 35805], Golani & Fricke 2018:16 [ref. 36273], White & Ko'ou 2018:59 [ref. 35922], Ebert et al. 2021:94 [ref. 38234]). Current status: Valid as Pastinachus Rüppell 1829. Dasyatidae: Hypolophinae.