Figure 4. NHMUK PV R 16427, mid-cervical neural arch (C4) of Sigilmassasaurus brevicollis.
(A) posterior view; (B) anterior view; (C) ventral view; (D) dorsal view; (E) right lateral view; (F) left lateral view. Abbreviations: epi, epipophyses; ns, neural spine; poz, postzygapophysis; prz, prezygapophysis. Scale bar equals 5 cm.