Palaeontological, memoirs, and, notes, of, H. Falconer, with, a, biographical, sketch, of, the, author London, 1868, This illustration features a series of detailed engravings showcasing various fossilized specimens of the genus Dicranoceras. The images are labeled with numerical annotations, highlighting distinct views of the fossils. Each figure captures the intricate patterns and structures of the shell, emphasizing the unique morphological features characteristic of these prehistoric organisms. The specimens are arranged thoughtfully to allow for comparative analysis, illustrating the diversity within this group of cephalopods, particularly their coiled and ornate shells. The accompanying text indicates the origin of these fossils and places them within a specific geological context, further enriching the study of paleontology and the evolutionary history of marine life.