Middle Jurassic abelisaurid Eoabelisaurus mefi. (a) Skeletal reconstruction, showing preserved parts. Skull in left lateral (b) and posterior (c) views. Middle cervical vertebra in left lateral (d) and dorsal (e) views. (f) Anterior mid-dorsal vertebra in left lateral view. (g) Posterior dorsal vertebra in left lateral view. (h) Anterior caudal vertebra in left lateral view. (i) Right ulna and radius in medial view. (j) Right manus in plantar view. (k) Pelvic girdle in left lateral view. (l) Left femur in lateral view. Pedal ungual in lateral (m) and ventral (n) views. Abbreviations: al, additional lamina; ap, ambiens process; at, antitrochanter; boc, basioccipital condyle; bt, basal tubera; d, depression; dc, distal carpal; di, diapophysis; epi, epipophysis; f, frontal; fm, foramen magnum; g, groove; il, ilium; ios, interorbital septum; is, ischium; j, jugal; l, lacrimal; lt, lesser trochanter; Mc, metacarpal; n, notch; ns, neural spine; of, obturator foramen; ol, olecranon process; pa, parietal; pap, paroccipital process; ph, phalanges; pl, pleurocoel; po, postorbital; poz, postzygapophysis; pp, parapophysis; prel, prezygoepipophyseal lamina; ps, parasphenoid; psf, prespinal fossa; pt, pterygoid; ptw, pterygoid wing of the quadrate; pu, pubis; q, quadrate; qj, quadratojugal; r, radius; soc, supraoccipital crest; sq, squamosal; ts, trochanteric shelf; u, ulna; vf, ventral fossa. Scale bars: (a) 500 mm; (b—l) 50 mm; (m,n) 10 mm. Pol and Rauhut (2012) "A Middle Jurassic abelisaurid from Patagonia and the early diversification of theropod dinosaurs". Licenced under CC-BY-4.0.
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