macrocephala, Hypsopsetta Breder [C. M., Jr.] 1936:4, Fig. 1 [Bulletin of the Bingham Oceanographic Collection Yale University v. 2 (art. 3); ref. 634] San Francisquito Bay, Gulf of California, Mexico. Holotype (unique): YPM 809. Type catalog: Moore & Boardman 1991:24 [ref. 16741]. •Valid as Hypsopsetta macrocephala Breder 1936 -- (Evseenko 2004:7 [ref. 27606] provisionally valid). •Valid as Pleuronichthys macrocephala (Breder 1936). Current status: Valid as Pleuronichthys macrocephala (Breder 1936). Pleuronectidae: Pleuronichthyinae. Distribution: Eastern Pacific: Gulf of California (Mexico). Habitat: brackish, marine.