Fig. 5 in Helodermatid lizard from the Mio-Pliocene oak-hickory forest of Tennessee, eastern USA, and a review of monstersaurian osteoderms

Fig. 5. Osteoderms of the fossil and extant helodermatid lizards from the USA. A–C. Three osteoderms of Heloderma sp. recovered from the "Rhino Pit", Miocene–early Pliocene Gray Fossil Site. A. ETMNH 8746a in apical view. B. ETMNH 8746b in apical view. C. ETMNH 8746c in apical (C1) and basal (C2) views. D–F. Three isolated osteoderms of extant Heloderma horridum Wiegmann, 1829 showing varying degrees of a bone ring−extension around the tubercle. D. ETVP 7083a in apical view. E. ETVP 7083b in apical view. F. ETVP 7083c in apical (F1) and basal (F2) views.