Phylogenetic Systematics oflguanine Lizards 



51 



an 



amf 



den 



amf 



amf 



aiaf 



FIG. 23. Lingual views of the left mandibles of (A) Sauromalus varius (RE 512), (B) Iguana 

 delicatissima (MCZ 60823), and (C) Amblyrhynchus crisiatus (RE 1091), showing differences in the bones 

 that surround the anterior inferior alveolar foramen. Scale equals 0.5 cm. Abbreviations: aiaf, anterior 

 inferior alveolar foramen; amf, anterior mylohyoid foramen; an, angular; cor, coronoid; den, deniary; pre, 

 prearticular; sp, splenial. 



