Lamna ditropis

Fresh material: 2 specimens, ERB 0 937, female, 900 mm TL, August 2009, beached south of Monterey Bay near San Luis Obispo and Cambria, northeast Pacific Ocean; ERB 0 854 (= NMFS – AFSC –09SS004), female, 2340 mm TL, 2 October 2009, northeast side of Kodiak Island, northeast Pacific Ocean.

Additional illustrations: Matsubara (1955, fig. 15A–C), Compagno (1977, fig. 7Q; 1988, fig. 7.1.A; 1990, figs 5M, 6N, 7M (non fig. 6M, mislabelled), Glikman (1980, fig 1.1–2), and Purdy et al. (2001, fig. 32A).