Histoire naturelle, générale et particulière des céphalopodes acétabuifères vivants, et fossiles, Paris, Impr. de A. Lacour, 1835-1848, cephalopod, fossil, The illustration showcases various marine organisms, including detailed representations of creatures such as the Onychoteuthis and Leachia species. Each specimen is meticulously labeled and depicted in a scientific style, highlighting features such as body shape, fin structure, and appendages. Surrounding the central figures are additional sketches that provide insights into different anatomical aspects, creating a comprehensive overview of these fascinating marine life forms. The layout emphasizes the diversity and intricacy of each species, serving as a valuable reference for biological study and taxonomy.