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Parahesperornis alexi KUVP 2287, photographs (upper) and line drawings (lower) of axis in cranial (A), dorsal (B), lateral (C), ventral (D), and caudal (E) views. Abbreviations are as follows: ca—caudal articular surface, cr—cranial articular surface, poz—postzygapophysis, prz—prezygapophysis, sp—spinal process, vf—vertebral foramen, vp—ventral process.
