Fig. 1. Extant helodermatid lizard Heloderma suspectum Cope, 1869 in Helodermatid lizard from the Mio-Pliocene oak-hickory forest of Tennessee, eastern USA, and a review of monstersaurian osteoderms

Fig. 1. Extant helodermatid lizard Heloderma suspectum Cope, 1869 (ETVP 7096). A. An overall appearance of the osteoderm pattern on the cranial and nuchal regions. B. A close−up of the osteoderms exemplifying the morphology.