There is a single cusp on canines, and they resemble the prehensile teeth found in carnivorous animals.
2.
The body is densely covered by small, overlapping dermal denticles with a median ridge and a single cusp, though a few may be three-cusped.
3.
The p3 bears a single cusp, somewhat anterior to the middle of the tooth, with crests descending from it towards the front and back, and weak cingula on the inner and outer sides.
4.
At the butterfly point, the different 3-surfaces of fold bifurcations, the 2-surfaces of cusp bifurcations, and the lines of swallowtail bifurcations all meet up and disappear, leaving a single cusp structure remaining when " a > 0"
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