Diplocaulus amphibian from the prehistoric era.

AMPHIBIA • AMPHIBIAN • AMPHIBIOUS • ANATOMY: SKULL • ANIMAL MARKINGS • ANIMAL TAIL • ANIMAL THEMES • ANIMAL • AQUATIC • ARTWORK • BIZARRE • CARBONIFEROUS PERIOD • CARBONIFEROUS • CARNIVORE • COLOR IMAGE • COLOUR IMAGE • COPY SPACE • CRANEO • CRANEOS • CRANIUM • CRANIUMS • CREATURE • CUTOUT • DIGITALLY GENERATED IMAGE • DINOSAUR • DINOSAURS • DIPLOCAULUS SALAMANDROIDES • DIPLOCAULUS • ECTOTHERM • EVOLUTION • EXTINCT • FULL LENGTH • FULL-LENGTH • HERBIVORE • HORIZONTAL • ICHTHYOLOGY • ILLUSTRATION • ILLUSTRATIONS • LATERAL VIEW • MORPHOLOGY • NATURAL HISTORY • NATURAL SCIENCES • NATURE STUDY • NO PEOPLE • ONE ANIMAL • PALAEONTOLOGY • PALAEOZOOLOGY • PALEOBIOLOGY • PALEOICHTHYOLOGY • PALEONTOLOGY • PALEOZOIC ERA • PALEOZOOLOGY • PAST • PERMIAN • PISCIVORE • POLKA DOTS • POLKA-DOTTED • PREHISTORIC ERA • PRIMITIVE • SALAMANDER • SCIENCE: EVOLUTION • SIDE VIEW • SKULL • SKULL, ANATOMY • SKULLS • SPECIES • SPOTTED • TETRAPOD • UGLINESS • VERTEBRATE • WHITE BACKGROUND • WILDLIFE • WITHOUT PEOPLE • ZOOLOGY