Keywords
ammonite, biological, biology, cross-section, extinct, fossil, fossil invertebrate, fossilised, fossilized, fossils, geological, geology, index fossil, invertebrates, marine, one, palaeontology, paleontology, petrified, polished, section, sectioned, shell, single, spiral, spiralling, stock image, images, royalty free photo, stock photos, stock photograph, stock photographs, picture, pictures, graphic, graphics, fine art prints, print, poster, posters, mural, wall murals, u17899904