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Mid-caudal vertebrae of Cetiosauriscus stewarti NHMUK R.3078 (A; traced from Woodward, 1905) and Supersaurus vivianae WDC DMJ-021 (B; traced from a photo by D Lovelace) in left lateral view, illustrating the anterodorsal projection on the spine top (B; C341-1), and the posteriorly elongated neural spine (A; C344-0). Abb.: lr, lateral ridge; poz, postzygapophysis; prz, prezygapophysis. Scaled to same total vertebral height.
