Figure 4

An anterior cervical vertebra (PV2, Table 1) of Yunyangosaurus puanensis holotype in anterior (A), left lateral (B), posterior (C), right lateral (D), dorsal (E), ventral (F) and 3D images (G,H). cpol centropostzygapophyseal lamina; dp, diapophysis; ep, epipophysis; f, fossa; ipol, intrapostzygapophyseal lamina; nc, neural canal; ns, neural spine; pl, pneumatic foramen (pleurocoel); poz, postzygapophysis; pp, parapophysis; prdl, prezygodipophyseal lamina; prz, prezygapophysis; spol, spinopostzygapophyseal lamina; sprl, spinoprezygapophyseal lamina. Scale bar = 5 cm.