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Fig. 4 | BMC Ecology and Evolution

Fig. 4

From: A new extinct species of alligator lizard (Squamata: Elgaria) and an expanded perspective on the osteology and phylogeny of Gerrhonotinae

Fig. 4

Mandibular elements of LACM 10601. Scale bars = 1 mm. a Left mandible in medial view. b Right mandible in medial view. c Left dentary in medial view. d Right surangular in anterior view. a.pr anterior process, a.Su.fo anterior surangular foramen, ad.fo adductor fossa, ad.pr anterodorsal process, art.s articular surface, Co.pr coronoid process (of either the coronoid or the dentary), ims intramandibular septum, pm.pr posteromedial process, Su.pr surangular process, Su.sh surangular shelf, sy symphysis

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