Fig. 7

Body characters used in the analysis (lateral projection, only BD character was represented in frontal projection). The characters according to their affiliation to the analyzed modules were as follows: HEAD/NECK: (1) HL: Head length, Distance from the tip of the rostrum to the anterior cervical vertebrae (excluding hair); (2) NL: Neck length, Distance from the first (I) cervical vertebrae to the posterior border of the last cervical vertebrae (VII); (3) NB: Neck diameter, Distance calculated from neck perimeter; TRUNK: (4) TL: Trunk length, Distance from the anterior thoracic vertebrae to the posterior caudal vertebrae by following the dorsal (spinous) processes of the vertebra; (5) BB: Chest width, Distance calculated from chest perimeter; (6) BD: Chest depth, Distance of the deepest point, just behind the shoulders; FORELIMB: (7) FLL: Forelimb length, Distance from the tip of the hoop to the tip of os humerus; (8) TBL: Forefoot length or foot length of left forelimb, Distance from the end of posterior calcaneum to the top of hoop (or distance from the end of posterior carpus to the top of hoop); (9) FHL: Hoop length of left forelimb; (10) FHB: Hoop width of left forelimb; HINDLIMB: (11) HLL: Hindlimb length, Distance from top of hoop to the connection between os femur and os ischium; (12) HFL: Hindfoot length or foot length of left hindlimb, Distance from the end of the posterior calcaneum to the top of the hoop; (13) HHL: Hoop length of left hindlimb; (14) HHB: Hoop width of left hindlimb