Hippoglossina tetrophthalma (Gilbert, 1890) .

Foureye Flounder. To 40 cm (15.7 in) TL (Hensley in Fischer et al. 1995). Just west of Laguna de Guerrero Negro, central Baja California (Martínez-Muñoz and Ramírez-Cruz 1992) to Islas Lobos de Afuera, Peru (Chirichigno and Vélez 1998), including Gulf of California (Hensley in Fischer et al. 1995). Benthic; depth: 4–233 m (12–768 ft) (min.: Personal communication: Scripps Institution of Oceanography Fish Collection, La Jolla, California; max.: Robertson and Allen 2002).