The upper incisor teeth are generally marked by grooves.
The first upper incisor is much larger than the others; canine and first two premolars rudimentary.
In the more typical Lemuridae there are two pairs of upper incisor teeth, separated by a gap in the middle line; the premolars may be either two or three, but the molars, as in the lower jaw, are always three on each side.
Its affinity with the giraffes is, however, clearly revealed by the structure of the skull and teeth, more especially the bilobed crown to the incisor-like lower canine teeth.
The third incisor in both upper and lower jaws is large, developed before the others, with much the size, form and direction of the canine.