FIGURE 2. Lithornis vulturinus Owen, 1840 in A redescription of Lithornis vulturinus (Aves, Palaeognathae) from the Early Eocene Fur Formation of Denmark

FIGURE 2. Lithornis vulturinus Owen, 1840 (MGUH 26770), Early Eocene of Denmark, skull in caudal view. Anatomical abbreviations: ao, foramen rami occipitalis arteriae ophthalmicae externae; ap, ala parasphenoidalis; at, atlas; cl, condylus lateralis of quadratum; ct, crista nuchalis transversa; dm, impressio musculi depressor mandibulae; fs, fossa subcondylaris; lp, lamina parasphenoidalis; oc, ostium canalis carotici; pa, processus paroccipitalis; pb, processus basipterygoideus; pl, processus lateralis; pm, processus medialis; pr, processus retroarticularis; pt, pterygoideum; sb, fossa subtemporalis; vo, foramen venae occipitalis externae; zy, processus zygomaticus; X, foramen nervi glossopharyngealis plus foramen nervi vagi; XII, foramina nervorum hypoglossi. Scale bar equals 1 cm.