719 Oxynotus paradoxus Frade, 1929 Oxynotidae Rough sharks Squaliformes Elasmobranchii Sailfin roughshark Eastern Atlantic: Atlantic slope from Scotland to Senegal (Ref. 247). ISH 8-1954 1954 Oxynotus paradoxus 320 - 350 m ISH 128-1974 1974 Oxynotus paradoxus 412 - 436 m ISH 74-1974 1974 Oxynotus paradoxus 617 - 637 m ISH 147-1975 1975 Oxynotus paradoxus 550 - 650 m ISH 169-1992 1992 Oxynotus paradoxus 1250 m MOVI 25277-25278 2001 Oxynotus paradoxus 510 m