exasperata, Platyrhina Jordan [D. S.] & Gilbert [C. H.] 1880:32 [Proceedings of the United States National Museum v. 3 (no. 106); ref. 2466] San Diego Bay, California, U.S.A. Lectotype: USNM 25050 (lost). Paralectotypes: (about 20) MCZ 36022 [ex USNM] (2); USNM 24878 (orig. 12, now 9), 25032 (1). Lectotype established in Jordan & Evermann 1896:65 as USNM 35050 [= 25050]; that specimen apparently lost. •Valid as Zapteryx exasperata (Jordan & Gilbert 1880) -- (Eschmeyer & Herald 1983:46 [ref. 9277], Allen & Robertson 1994:31 [ref. 22193], Bussing & López S. 1994:30 [ref. 23101], McEachran in Fischer et al. 1995:781 [ref. 22829], De La Cruz Agüero et al. 1997:39 [ref. 24545], De la Cruz-Agüero & Cota-Gómez 1998:356 [ref. 23520], Chirichigno F. & Vélez D. 1998:92 [ref. 24555], Compagno 1999:486 [ref. 25589], Thomson et al. 2000:284 [ref. 25640], Nelson et al. 2004:55 [ref. 27807], Love et al. 2005:10 [ref. 37547], Iwatsuki et al. 2011:39 [ref. 31118], Page et al. 2013:55 [ref. 32708], Del Moral-Flores et al. 2016:108 [ref. 34398], Weigmann 2016:89 [ref. 34211], Last et al. 2016:465 [ref. 34473], Last & Séret 2016:125 [ref. 34994], Kells et al. 2016:78 [ref. 35888], Ebert et al. 2017:57 [ref. 35618], Ehemann et al. 2018:26 [ref. 36194], Aitchison et al. 2021:133 [ref. 38933], González-Acosta et al. 2021:7 [ref. 38361], Love et al. 2021:24 [ref. 39279], Page et al. 2023:43 [ref. 40505]). Current status: Valid as Zapteryx exasperata (Jordan & Gilbert 1880). Trygonorrhinidae. Distribution: Eastern Pacific: central California (U.S.A.) south to Mazatlán (Sinaloa, Mexico), including Gulf of California (Mexico); ?Peru. Habitat: marine.