FIGURE 4 in Novel evolution of a hyper‐elongated tongue in a Cretaceous enantiornithine from China and the evolution of the hyolingual apparatus and feeding in birds

FIGURE 4 Photograph of cervical vertebrae (a), tarsometatarsus (b), and sternum (c) of the holotype of Brevirostruavis macrohyoideus (IVPP V13266) with features described in the text. Anatomical abbreviations: cr, cervical rib; cp, cranial lateral process; hc, hypocleidium; lp, lateral process; prf, facet of prezygapophysis; pof, facet of postzygapophysis; mt I, metatarsal I; mt II, metatarsal II; mp, medial process; od, odontoid process; pc, pedal claw; and xp, xiphoid process