producta, Rhinobatis Ayres [W. O.] 1854:142 [The Pacific [newspaper] v. 3 and 4 (thru no. 6); ref. 157] Monterey, California, U.S.A. Syntypes: USNM 1009 (1). Original genus should have been Rhinobatos. •Valid as Rhinobatus productus Ayres 1854 -- (Hiyama in Kumada 1937:18 [ref. 39147]). •Valid as Rhinobatos productus Ayres 1854 -- (Eschmeyer & Herald 1983:46 [ref. 9277], Allen & Robertson 1994:31 [ref. 22193], McEachran in Fischer et al. 1995:781 [ref. 22829], Castro-Aguirre & Espinosa Pérez 1996:18 [ref. 22793], Castro-Aguirre et al. 1999:58 [ref. 24550], Compagno 1999:485 [ref. 25589], Thomson et al. 2000:284 [ref. 25640], Nelson et al. 2004:55 [ref. 27807], Love et al. 2005:10 [ref. 37547], Page et al. 2013:55 [ref. 32708], Del Moral-Flores et al. 2016:108 [ref. 34398], Weigmann 2016:88 [ref. 34211], Kells et al. 2016:78 [ref. 35888]). •Valid as Pseudobatos productus (Ayres 1854) -- (Last et al. 2016:470 [ref. 34473], Séret et al. 2016:94 [ref. 34993], Ebert et al. 2017:57 [ref. 35618], Ehemann et al. 2018:26 [ref. 36194], Burton & Lea 2019:31 [ref. 37205], Rutledge 2019:463 [ref. 36938], González-Acosta et al. 2021:7 [ref. 38361], Love et al. 2021:23 [ref. 39279], Page et al. 2023:43 [ref. 40505]). Current status: Valid as Pseudobatos productus (Ayres 1854). Rhinobatidae. Distribution: Eastern Pacific: northern California (U.S.A.) south to southern Mexico, including Gulf of California (Mexico). Habitat: brackish, marine.