. "* Lamia (Risso, 1827)" . . . . . "* Exoles (Gistel, 1848)" . . "* Selanonius (Fleming, 1828)" . "Lamna is a genus of mackerel sharks in the family Lamnidae, containing two extant species: the porbeagle (L. nasus) of the North Atlantic and Southern Hemisphere, and the salmon shark (L. ditropis) of the North Pacific."@en . . . .