1) rostrum length and shape

2 – short rodent-like rostrum

1 – long and tall rostrum

2) lengthening of premaxilla

1 – premaxilla poorly defined

0 – absence of lengthening

4) shape of diastemata

1 – posterolaterally divergent diastemata

0 – absent or little developed diastemata

8) development of zygomatic plate

2 – very developed plate

1 – little developed plate

19) morphology of P4

1 – subtriangular and short without a central fossette

0 – subtriangular and short with a central fossette

26) shape of P3

1 – subtriangular

0 - subquadrangular