Fig. 18From: A new extinct species of alligator lizard (Squamata: Elgaria) and an expanded perspective on the osteology and phylogeny of GerrhonotinaePremaxillae and contact (or lack thereof) between the premaxilla and the frontal. Scale bars = 1 mm. a, b, are A. graminea UTA 38831, c, d are E. paucicarinata SDNHM 45100. a Premaxilla in lateral view. b Premaxilla and frontal in dorsal view. c Premaxilla in lateral view. d Premaxilla and frontal in dorsal view. p.e posteroventral extensionBack to article page