Table 2. Landmarks used in for the geometric morphometrics analysis.

n°	Name	Description	type
1	Basal	point vertically positioned under the centre of the proeminentia lateralis	III
2	proeminentia lateralis	centre of the proeminentia lateralis	II
3	tuberculus marginalis superius	most latero-inferior point of the tubercle	II
4	foramina mentale	point at the centre of the of the foramen mentale	I
5	Gnathion	most inferior midline point on the mandible	II
6	Pogonion	most anterior midline point on the chin	II
7	Infradentale	most anterior midline point between the alveoli of the incisors	II
8	infradentale posterior	most posterior midline point between the alveoli of the incisors	II
9	planum alveolare	most posterior midline point of the planum alveolare	II
10	Geni	most posterior midline point of the mental spines	II

Number. name. description and type for each landmark.