Figure 5.

Ventral view of a rodent skull with linear measurements and identification marks. Condylobasala length (a to b), Henselion-basion distance (h to c), Henselion-palatial distance (h to d), Palatal foramen length (e to f), Smallest palatal breath (m to o), Upper cheek to teeth alveoli (k to v), Breath of upper dental arch (n to p), Breadth of molar tooth 1 (m to l), Width of upper incisor basal part (i to j), Width of the upper incisor apex part (g to g’), Tympanic bulla length (r to s), Tympanic bulla width (t to u), Foramen magnum width (b to q).