Psednos griseus Chernova & Stein, 2002. One specimen known, 3.7 cm (1.4 in) SL. Northwest of Isla Guadalupe, central Baja California. Probably mesopelagic or bathypelagic; depth: collected in midwater between 0 and 4,000 m (13,120 ft). All in Chernova and Stein (2002).