Paratype dentaries of Infernogallus jamesi. Three-dimensional model of NDGS 4351 in left lateral (A), right lateral (B), bisected medial (C), posterior (D), dorsal (E), and ventral (F) views. Abbreviations: dblvg, dorsal branch of the longitudinal vascular groove; emf, external mandibular fenestra; f, foramen; loag, labial anterior occlusal groove; laor, labial anterior occlusal ridge; lap, lateral pneumatopore; lblvg, lateral branch of the longitudinal vascular groove; lip, lingual pneumatopore; lg, lingual groove; lor, lateral occlusal ridge; lr, lingual ridge; lrt, lingual ridge tubercle; lvg, longitudinal vascular groove; maog, midline anterior occlusal groove; maor, medial anterior occlusal ridge; mblvg, medial branch of the longitudinal vascular groove; mf, mandibular fossa; mg, Meckelian groove; mm, depression for the M. genioglossus; pa?, possible articulation facet for the prearticular; pdp, posterodorsal process; pvp, posteroventral process; pvpr, posteroventral process ridge; sa, articulation surface for the ASC complex; ss, symphyseal shelf. Scale bar is 1 cm.