X Hygophum hanseni (Tåning, 1932) .

Circumglobal, but apparently only in Southern Hemisphere at 30– 43°S (Fricke et al. 2020). Reyes-Bonilla et al. (2010) report a record from Isla Guadalupe, central Baja California based on an Los Angeles County Natural History Museum fish collection record. However, this record, along with two others from the same institution, are in error (Richard Feeney, pers. comm. to M.L.)