glaucostigma, Rhinobatus Jordan [D. S.] & Gilbert [C. H.] 1883:210 [Proceedings of the United States National Museum v. 6 (no. 14, no. 370) (for 5 Oct. 1883); ref. 10622] Mazatlán, Sinaloa, western Mexico. Syntypes: USNM 28205-06 (1, 1), 29547 (1, not found in 1980), 29602 (1, not found in 1980). Specific name is a invariable noun. •Valid as Rhinobatus glaucostigma Jordan & Gilbert 1883 -- (Acero P. & Franke 1995:13 [ref. 22546]). •Valid as Rhinobatus glaucostigmus Jordan & Gilbert 1883 -- (Compagno 1999:485 [ref. 25589]). •Valid as Rhinobatos glaucostigma Jordan & Gilbert 1883 -- (Castro-Aguirre 1965:202 [ref. 41098], McEachran in Fischer et al. 1995:780 [ref. 22829], Castro-Aguirre & Espinosa Pérez 1996:19 [ref. 22793], Castro-Aguirre et al. 1999:59 [ref. 24550], Nelson et al. 2004:54 [ref. 27807], Love et al. 2005:10 [ref. 37547], Page et al. 2013:54 [ref. 32708], Galván-Villa et al. 2016:143 [ref. 34871], Del Moral-Flores et al. 2016:105 [ref. 34398], Weigmann 2016:86 [ref. 34211]). •Valid as Pseudobatos glaucostigmus (Jordan & Gilbert 1883) -- (Last et al. 2016:470 [ref. 34473], Séret et al. 2016:87 [ref. 34993], Ehemann et al. 2018:26 [ref. 36194], Rutledge 2019:463 [ref. 36938], Calle-Morán et al. 2020:244 [ref. 37881], González-Acosta et al. 2021:7 [ref. 38361], Love et al. 2021:23 [ref. 39279]). •Valid as Pseudobatos glaucostigma (Jordan & Gilbert 1883) -- (Page et al. 2023:43 [ref. 40505], Fricke et al. 2024:86 [ref. 41622]). Current status: Valid as Pseudobatos glaucostigma (Jordan & Gilbert 1883). Rhinobatidae. Distribution: Eastern Pacific: Pacific coast of Baja California Sur (Mexico) south to Ecuador, including Gulf of California (Mexico). Habitat: marine.