22555 Notoraja tobitukai (Hiyama, 1940) Arhynchobatidae Softnose skates Rajiformes Elasmobranchii Leadhued skate Northwest Pacific: Japan, Okinawa Trough, East China Sea, and Taiwan (Ref. 41299, Ref. 114953). ISH 30-1984 1972 Notoraja tobitukai 650 - 700 m