Blacknose shark
The upper jaw of the Blacknose shark has 12-13 rows of teeth on each side with 11-12 rows on the lower jaw. Teeth on the upper jaw are quite narrow and triangular with slanting cusps along with rough serrations along the bases than the tips. The lower jaw also has cusped serrated teeth with broad bases. There is one symphysial tooth in the upper jaw and one or two in the lower jaw.