Hexanchus Rafinesque, 1810
Gill-slits 6, broadly separated on throat; upper and lower teeth dissimilar, those in lower jaw comb-like. Usually benthic or mesopelagic in deeper waters, sluggish; incidentally captured and marketed.
Species 2.
Recent revisions: Bass et al. (1975, 1986), Compagno (1984)..
Species of this genus in the program:
Hexanchus griseus
Hexanchus nakamurai