ovalis, Hemirhombus Günther [A.] 1864:154 [Proceedings of the Zoological Society of London 1864 (pt 1) (art. 3) (for 22 Mar. 1864); ref. 13930] Pacific coast of Panama. Holotype (unique): BMNH 1864.1.26.348. •Valid as Syacium ovale (Günther 1864) -- (Murakami & Amaoka 1992:86 [ref. 19779], Allen & Robertson 1994:289 [ref. 22193], Bussing & López S. 1994:150 [ref. 23101], Hensley in Fischer et al. 1995:1379 [ref. 22830], De La Cruz Agüero et al. 1997:254 [ref. 24545], Grove & Lavenberg 1997:615 [ref. 24023], van der Heiden & Mitchell 1998:756 [ref. 23424], Chirichigno F. & Vélez D. 1998:206 [ref. 24555], Evseenko 1998:58 [ref. 23643], Castro-Aguirre et al. 1999:477 [ref. 24550], Nelson et al. 2004:180 [ref. 27807], Love et al. 2005:173 [ref. 37547], McCosker & Rosenblatt 2010:195 [ref. 30957], Page et al. 2013:186 [ref. 32708], Galván-Villa et al. 2016:150 [ref. 34871], Fourriére et al. 2016:460 [ref. 34668], Del Moral-Flores et al. 2016:611 [ref. 34923], González-Murcia et al. 2019:300 [ref. 36544], Love et al. 2021:217 [ref. 39279], Siccha-Ramirez et al. 2023:244 [ref. 40816]). Current status: Valid as Syacium ovale (Günther 1864). Cyclopsettidae. Distribution: Eastern Pacific: Pacific coast of southern Baja California Sur (Mexico) south to northern Peru, including Gulf of California (Mexico) and Galapagos Islands (Ecuador). Habitat: marine.