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Table 2 Anatomical description of the landmarks used for three-dimensional geometric morphometric analyses. Anatomical description followed to Martínez et al. [32]

From: Morphological variation in two sigmodontine rodents along the mainland and the Fuegian archipelago in Chilean southern Patagonia

Landmark Anatomical description
1 Rostralmost point of the nasal bones
2 Intersection of the nasofrontal suture in the midline
3 Intersection of the coronal and sagittal sutures
4 Intersection of the sagittal and parietal-interparietal sutures
5 Caudal end of the curvature of the occipital bone
6 and 7 Rostralmost point of the rostral palatine fissure, left and right
8 and 9 Caudalmost point of the palatine fissure, left and right
10 Caudalmost point of the suture between palatine bones and the rostral border of the mesopterygoid fossa
11 Rostralmost point of the foramen magnum
12 and 13 Rostralmost point of the molar row, left and right
14 and 15 Caudalmost point of the molar row, left and right
16 and 17 Lateralmost point of the foramen magnum, left and right
18 and 19 Rostralmost point of the zygomatic arch, left and right
20 and 21 Caudalmost point of the zygomatic arch, left and right