Kronosaurus queenslandicus swimming in prehistoric waters.

AMNIOTE • ANIMAL HEAD • ANIMAL MOUTH • ANIMAL TEETH • ANIMAL THEMES • ANIMAL • ANIMALS IN THE WILD • ARTWORK • CARNASSIAL • COLOR IMAGE • COLOUR IMAGE • CREATURE • DAY • EVOLUTION • EXTINCT • FANG • FIERCE • FIN • FISH • FLEET • FLIPPER • FORT • HORIZONTAL • ICHTHYOLOGY • ILLUSTRATION TECHNIQUE • ILLUSTRATION • ILLUSTRATIONS • JAW • JURASSIC • KRONOSAURUS QUEENSLANDICUS • KRONOSAURUS • LATERAL VIEW • LIGHT • LONELINESS • MARINE BIOLOGY • MARINE • MESOZOIC ERA • NATURAL HISTORY • NATURAL SCIENCES • NATURE STUDY • NAVY • NO PEOPLE • OCEAN • OCEANS • ONE ANIMAL • OUTDOOR • OUTDOORS • OUTSIDE • PAINTING • PALAEONTOLOGY • PALAEOZOOLOGY • PALEOBIOLOGY • PALEONTOLOGY • PALEOZOOLOGY • PAST • PLIOSAUR • PREHISTORIC ERA • RAYS OF LIGHT • REPTIL • REPTILE • REPTILES • RUGGED • SAUROPSID • SCIENCE: EVOLUTION • SCISSOR TOOTH • SEA LIFE • SEA • SEA. • SEAS • SECTORIAL • SHALLOW • SHARP • SHINING • SIDE VIEW • SNOUT • SOLITUDE • SPECIES • STRONG • SUNLIGHT • SUNSHINE • SWIMMING • UNDERSEA • UNDERWATER • WATER • WILDLIFE • WITHOUT PEOPLE • ZOOLOGY