Southeast Pacific: found only in tropical continental waters of the Province of Manabí in Ecuador. The type locality is Isla de La Plata (01°16?29.28?S, 81°04?12.10?W) (Kato 1968, Compagno in prep. b), and it has also been recorded in landings of the coastal fishing port of Daniel López (21 nm from Isla de La Plata) (J. Martínez pers. comm.).