Fig. 1. Measured morphometric variables of the individuals of Mesoclemmys vanderhaegei (Bour, 1973). Head: Head width (HW); Head length (HL); Interorbital width (IOW); Tympanum-snout length (TSL); Tympanum length (TYL); Tympanum width (TW). Carapace: Nuchal scute length (NL); Carapace length (CL); Maximum carapace width (MCW); Central carapace width (CCW); Length of third central scute (LC3); Width of third central scute (WC3). Shell: Maximum carapace height (MHS). Plastron: Maximum plastron length (MPL); Mid-ventral suture length plastron (MVSL); Maximum plastron width (MPW); Anterior lobe width (ALW); Posterior lobe width (PLW); Width of left and right gular scutes (WGS); Length of left gular scute (LGS); Left gular scute length (GSL); Intergular scute width (IG); Left pectoral scute width (PSW); Left pectoral scute length (PEL); Left abdominal scute length (ASL); Left abdominal scute width (ASW); Maximum bridge length (MBL); Minimum bridge length (MBL2); Left anal scute width (ANSW); Left anal scute length (ANSL); Internal diagonal of anal scute (IDS); Carapace anal plastron terminal distance (CPD). Tail: Precloacal length (PCL); Tail length (TL).