Lamna Cuvier, 1817
Large fusiform sharks with robust trunk and conical pointed snout; teeth slender, triangular, smooth-edged, with pointed cusplets on each side of the base; first two teeth in each jaw similar in shape to those succeeding. First dorsal fin origin over or anterior to inner corner of pectoral fins; caudal pits present, forming transverse furrows; below the main caudal keel, a secondary longitudinal keel on each side of tail.
See family for biology, etc.
Species 2; in Clofnam area 1.
Recent revisions: Bigelow and Schroeder (1948), Nakaya (1971), Compagno (1981 and in press).
Species of this genus in the program:
Lamna nasus