Mustela frenata

1. palate extends beyond last molar
2. total length of skull less than 55 mm
3. inflated auditory bullae
4. postorbital processes pointed
5. upper molar dumbbell shaped
6. braincase is elongated
7. upper surface of skull is flat
8. 34 teeth (DF = 3/3, 1/1, 3/3, 1/2)

Click this thumbnail to compare a dorsal view of Mustela frenata with that of M. vison and M. nivalis.

Go to the Mustela frenata species account page