Cervical vertebra (Cv 12) of Austroposeidon magnificus gen. et nov. sp. (A) Left lateral and (B) anterior views. Abbreviations: acdl, anterior centrodiapophyseal lamina; acpl, anterior centroparapophyseal lamina; cprl, centroprezygapophyseal lamina; d, diapophysis; prz, prezygapophysis; prdl, prezygodiapophyseal lamina; prsl, prespinal lamina; s, neural spine; sprl, spinoprezygapophyseal lamina. Scale bar: 100mm.