Hexanchus griseus (BONNATERRE, 1788)
Description after BASS et al. 1975: [#134]:
The teeth of a female of about four meters are shown in pl. 1. Tooth counts (in four jaws examined) were always 6-1-6 in the lower jaws and 9-9 or 10-10 in the upper jaws (disregarding the small lateral teeth). Bigelow and Schroeder (1948) note that the median tooth row is always present in the lower jaws.
pl. 1: 
Material: male, ? TL, collection: Jaws International, Gordon Hubbell, Florida
Images: © Ross Robertson, Smithsonian Tropical Research Institute, Panama, images shows the correct position of the teeth
Material: female, ? TL, collection: Jaws International, Gordon Hubbell, Florida
Images: © Ross Robertson, Smithsonian Tropical Research Institute, Panama, images shows the correct position of the teeth 
Material: female, 294 cm TL, American Museum of Natural History, coll. nr. 78173SD, between Tenerife and Gran Canaria, Eastern North Atlantic, Mid-Atlantic Ridge Expedition, Mare-86-22, 28°13'N, 15°39.3'W), coll. 3/4.10.1986 
Material: sex?, ? TL,, collection: Natural History Museum of Los Angeles County
Material: female, 114 cm TL, La Rochelle, France, coll. by D. & M. Hovestadt © Jacques Herman, Beigem (Grimbergen), Belgique 
Material: female, 270 cm TL, Sète, France, coll. by Jacques Herman © Jacques Herman, Beigem (Grimbergen), Belgique 
