Plesiosaurus dinosaurs swim together in Jurassic seas.

ANIMAL NECK • ANIMAL THEMES • ANIMAL • ANIMALS HUNTING • ANIMALS IN THE WILD • AQUATIC • ARTWORK • BLUE • BLUE. • CARNIVORE • COLOR IMAGE • COLOUR IMAGE • CREATURE • CRETACEOUS • DAY • DIGITALLY GENERATED IMAGE • DINOSAUR • DINOSAURS • ELASMOSAURID • EVOLUTION • EXTINCT • FLEET • FLIPPER • FOUR ANIMALS • GIGANTIC • HORIZONTAL • ICHTHYOLOGY • ILLUSTRATION • ILLUSTRATIONS • ILUSTRATION • JURASSIC • LARGE • LEGEND • LOCH NESS MONSTER • LONG • MARINE BIOLOGY • MARINE • MESOZOIC ERA • MONSTER • MOTION • MYTH • NATURAL HISTORY • NATURAL SCIENCES • NATURE STUDY • NAVY • NESSIE • NO PEOPLE • OCEAN • OCEANS • ON THE MOVE • OUTDOOR • OUTDOORS • OUTSIDE • PALAEONTOLOGY • PALAEOZOOLOGY • PALEOART • PALEOBIOLOGY • PALEOICHTHYOLOGY • PALEONTOLOGY • PALEOZOOLOGY • PAST • PISCIVORE • PLESIOSAUR • PLESIOSAURUS DOLICHODEIRUS • PLESIOSAURUS • POWERFUL • PREHISTORIC ERA • PRIMEVAL • PRIMITIVE • REPTIL • REPTILE • REPTILES • SAUROPSID • SAUROPTERYGIA • SCIENCE • SCIENCE: EVOLUTION • SEA LIFE • SEA • SEA. • SEAS • SINEMURIAN • SPECIES • SWIM • SWIMMING • SWIMMING. • TRIASSIC • UNDERSEA • UNDERWATER • VERTEBRATE • WATER • WILDERNESS • WILDLIFE • WITHOUT PEOPLE • ZOOLOGY