FIGURE 3 in Achillesaurus manazzonei, a new alvarezsaurid theropod (Dinosauria) from the Late Cretaceous Bajo de la Carpa Formation, Río Negro Province, Argentina

FIGURE 3. Achillesaurus manazzonei. Last sacral, and first and second caudals in articulation in lateral (A) and dorsal (B) views; and possible fourth biconcave sacral in lateral (C), ventral (D), cranial (E), and caudal (F) views. Abbreviations: f, fossa; ha, haemal arch; k, ventral keel; nc, neural canal; ns, neural spine; poz, postzygapophysis; prz, prezygapophysis; tp, transverse process. Scale bar represents 10 mm. Grey areas indicate broken bone, dotted indicates matrix.