RM2EA6CJN–Old Nineteenth century illustration. Diplacanthus is an extinct genus of Mid to Late Devonian fish in the class Acanthodii, known as spiny shark. Old 19th century engraved illustration from El Mundo Ilustrado 1879
RMW7P93F–Illustration of Acanthodii or Spiny sharks, an extinct class of fish which shared features of both cartilaginous and bony fish. Pencil and watercolor painting.
RMG14W9C–Three kinds of fish from the Devonian Period, including Acanthodes, (1), Climatius (2) and Diplacanthus (3). These fish are all acanthodians, or 'spiny sharks', with characteristics of both bony and cartilaginous fish. They are shark-shaped, but not tec
RMAYCMTP–Ancient Spiny Shark, Acanthodii (Climatius reticulatus), drawing. Late Devonian, 380 mill. years ago
Download Confirmation
Please complete the form below. The information provided will be included in your download confirmation