Indian Tertiary and post-Tertiary Vertebrata, Calcutta, Geological Survey Office, 1874-1902, India, paleontology, vertebrates, fossil, A detailed anatomical illustration showcasing a Tertiary vertebrate. The specimen is presented from a ventral view, revealing intricate features such as the spinal column, pelvic girdle, and limb structures. Anatomical labels identify various parts, including vertebrae and specific bones, providing an educational resource for understanding vertebrate morphology. The depiction highlights the complexity and design of skeletal elements, serving as a valuable reference for paleontological studies and comparisons among different species.