hopkinsi, Petrotyx Heller [E.] & Snodgrass [R. E.] 1903:222, Pl. 18 [Proceedings of the Washington Academy of Sciences v. 5; ref. 2089] Barrington Island, Galápagos Islands. Holotype (unique): CAS-SU 6344. Type catalog: Böhlke 1953:101 [ref. 12291]. •Valid as Petrotyx hopkinsi Heller & Snodgrass 1903 -- (Cohen & Nielsen 1978:38 [ref. 881], Grove & Lavenberg 1997:214 [ref. 24023], Nielsen & Cohen in Nielsen et al. 1999:85 [ref. 24448], Thomson et al. 2000:53 [ref. 25640], Nelson et al. 2004:92 [ref. 27807], Castellanos-Galindo et al. 2006:198 [ref. 28944], McCosker & Rosenblatt 2010:190 [ref. 30957], Page et al. 2013:95 [ref. 32708], Møller et al. 2016:Appendix A [ref. 34432], Bauer et al. 2018:676 [ref. 36287], Love et al. 2021:83 [ref. 39279], Grove et al. 2022:18 [ref. 41326], Page et al. 2023:110 [ref. 40505]). Current status: Valid as Petrotyx hopkinsi Heller & Snodgrass 1903. Bythitidae. Distribution: Eastern Pacific: southern tip of Baja California Sur (Mexico) south to Peru, including Gulf of California (Mexico) and Galapagos Islands (Ecuador). Habitat: marine.