Fig. 37From: A new extinct species of alligator lizard (Squamata: Elgaria) and an expanded perspective on the osteology and phylogeny of GerrhonotinaeSupraoccipitals, sphenoids, and left prootics (individual braincase elements). Scale bars = 1 mm. a Supraoccipital of E. coerulea TNHC 14643 in dorsal view. b Supraoccipital of G. infernalis TNHC 18988 in dorsal view. c Sphenoid of E. coerulea TNHC 14643 in anterior view. d Sphenoid of G. infernalis TNHC 18988 in anterior view. e. Left prootic of E. coerulea TNHC 14643 in medial view. f. Left prootic of A. graminea UTA 38831 in medial view. a.vc anterior vidian canal, s.tr.pr supratrigeminal process of the prooticBack to article page