FIGURE 3. Lithornis vulturinus Owen, 1840 in A redescription of Lithornis vulturinus (Aves, Palaeognathae) from the Early Eocene Fur Formation of Denmark

FIGURE 3. Lithornis vulturinus Owen, 1840 (MGUH 26770), Early Eocene of Denmark, skull in ventral view. Anatomical abbreviations: at, atlas; ax, axis; cb, ceratobranchiale; cp, caudal process of os palatinum; C3-5, vertebrae cervicales; dm, impressio musculi depressor mandibulae; fb, facies articularis basipterygoidea; fc, fossa choanalis; mh, medial hook of pterygoideum; oc, ostium canalis carotici; oe, groove for the arteria and vena ophthalmicae externae; pa, processus paroccipitalis; pb, processus basipterygoideus; pf, pterygoid fossa; po, processus oticus; pr, processus retroarticularis; rp, rostrum parasphenoidale; ta, tuba auditiva; vo, vomer; zy, processus zygomaticus; X, foramen nervi glossopharyngealis plus foramen nervi vagi. Scale bar equals 1 cm