Twelve to 13 and 11 to 12 tooth rows occur on either side of the upper and lower jaws, respectively, with one or two teeth at the symphysis (middle). The teeth are triangular and oblique, with serrated edges; the upper teeth are stouter than the lower teeth.
Twelve to thirteen and eleven to twelve tooth rows are found on either side of the upper and lower jaws, respectively, with one or two teeth at the symphysis (middle). The teeth are triangular and slanted, with serrated edges; the upper teeth are thicker than the lower teeth.