Type B: inner tooth moderately broad, about 3-5 times wider than, outer tooth. This can be split into 2 subgroups:
B1 - both teeth come to relatively fine points.
B2 - the inner tooth comes to a relatively broad point.
Type C: Both teeth are moderately broad, coming to relatively broad points.
Type D: Inner tooth very broad, outer tooth moderately broad.
Type E: Both teeth very broad and often quite short.
C. javanus has a five toothed premandible.