Principal data from the measurement of 28 specimens of Varanus for comparison of fossils forms and size predictions.

Abbreviations: BCL, linear length of the braincase from the anterior tip of the basipterygoid process of the parabasisphenoid to the tip of the paroccipital process of the otooccipital; DVL, length of a posterior dorsal vertebra; PCL, pre-caudal length of the animal (an osteological skeletal length similar to the snout-vent length often used for extant taxa. All measurements in millimeters [mm]).