Illustration of a prehistoric Ophthalmosaurus discus.

AGGRESSION • AMNIOTE • ANIMAL HEAD • ANIMAL NOSE • ANIMAL TEETH • ANIMAL THEMES • ANIMAL • AQUATIC • ARTWORK • CAUDAL FINS • COLOR IMAGE • COLOUR IMAGE • CREATURE • CUTOUT • DORSAL FINS • EVOLUTION • EXTINCT • FIN • FISH • FORT • HORIZONTAL • ICHTHYOLOGY • ICHTHYOSAUR • ILLUSTRATION TECHNIQUE • ILLUSTRATION • ILLUSTRATIONS • JAW • JURASSIC • LATERAL VIEW • MESOZOIC ERA • NATURAL HISTORY • NATURAL SCIENCES • NATURE STUDY • NO PEOPLE • ONE ANIMAL • OPHTHALMOSAURID • OPHTHALMOSAURUS DISCUS • OPHTHALMOSAURUS • PAINTING • PALAEONTOLOGY • PALAEOZOOLOGY • PALEOBIOLOGY • PALEOICHTHYOLOGY • PALEONTOLOGY • PALEOZOOLOGY • PAST • PREHISTORIC ERA • REPTIL • REPTILE • REPTILES • RUGGED • SCIENCE: EVOLUTION • SEA LIFE • SHARP • SIDE VIEW • SNOUT • SPECIES • STRONG • WHITE BACKGROUND • WILDLIFE • WITHOUT PEOPLE • ZOOLOGY