Indian Tertiary and post Tertiary Vertebrata, Calcutta, Geological Survey Office, 1874-1902, India, paleontology, vertebrates, fossil, The illustration features a detailed anatomical study of fossilized Tertiary vertebrates, showcasing various bone structures. At the center, a detailed representation of a vertebrate skull is presented alongside several surrounding elements that highlight distinct skeletal features. Each section is meticulously labeled, providing insights into the morphology and classification of these ancient remains. This academic depiction serves as a valuable resource for paleontologists and enthusiasts interested in the evolutionary history of vertebrates.