Pachyrhinosaurus dinosaur in a prehistoric lake.

ANATOMY: SKULL • ANIMAL HEAD • ANIMAL MOUTH • ANIMAL SCALE • ANIMAL THEMES • ANIMAL • ANIMALS IN THE WILD • ARTWORK • BEAK • CAMPANIAN • CENTROSAURINAE • CERATOPSIA • CERATOPSID • COLOR IMAGE • COLOUR IMAGE • CRANEO • CRANEOS • CRANIUM • CRANIUMS • CREATURE • CRETACEOUS • DAY • DIGITALLY GENERATED IMAGE • DINOSAUR • DINOSAURS • DRINKING • EXTINCT • FRESHNESS • FRILL • GRAZING • HABITAT • HERBIVORE • HORIZONTAL • HORNED • ILLUSTRATION TECHNIQUE • ILLUSTRATION • ILLUSTRATIONS • LAKE • LATERAL VIEW • MESOZOIC ERA • NO PEOPLE • ONE ANIMAL • ORNITHISCHIA • OUTDOOR • OUTDOORS • OUTSIDE • PACHYRHINOSAURUS CANADENSIS • PACHYRHINOSAURUS • PALAEONTOLOGY • PALAEOZOOLOGY • PALEONTOLOGY • PALEOZOOLOGY • PART OF • PAST • PREHISTORIC ERA • PRIMITIVE • ROAMING • SALTMARSH • SCIENCE • SHALLOW • SIDE VIEW • SKULL • SKULL, ANATOMY • SKULLS • SPECIES • WATER • WILDLIFE • WITHOUT PEOPLE • ZOOLOGY