2563 Dipturus olseni (Bigelow & Schroeder, 1951) Rajidae Skates Rajiformes Elasmobranchii Spreadfin skate Western Central Atlantic: northern Gulf of Mexico from Florida to Mexico. FB 2737274 Raja olseni 139.0800018310547 m GCRL 27366 Raja olseni GCRL 2703 1968 Raja olseni