Thylacoleo, a marsupial lion from the Pleistocene Age.

ACRYLIC PAINTING • AGGRESSION • ANGRY • ANIMAL THEMES • ANIMAL • ARBOL • ARBOREAL • ARTWORK • BARE TREES • BIG CATS • BRANCH • CARNIVORE • CENOZOIC ERA • CLAW • CLAWS • COLOR IMAGE • COLOUR IMAGE • CREATURE • DANGER • DINOSAUR • DINOSAURS • DIPROTODONT • EXTINCT • FIERCE • FURIOUS • GROWL • HISSING • ILLUSTRATION TECHNIQUE • ILLUSTRATION • ILLUSTRATIONS • IMAGINATION • LATERAL VIEW • MAMMAL • MARSUPIAL • MENACE • MOUTH OPEN • NEOZOIC ERA • NO PEOPLE • ONE ANIMAL • OPEN MOUTH • OPEN-MOUTHED • PAINTING • PALAEONTOLOGY • PALAEOZOOLOGY • PALEONTOLOGY • PALEOZOOLOGY • PAST • PAW • PERIL • PLEISTOCENE PERIOD • PLÉISTOCÈNE • PLIOCENE • POLKA DOTS • POLKA-DOTTED • PREDATOR • PREHISTORIC ERA • PRIMITIVE • QUATERNARY • ROARING • SCIENCE • SIDE VIEW • SNARLING • SPECIES • SPOTTED • TERTIARY • THREAT • THYLACOLEO • TOUGHNESS • TREE • TREES • VERTICAL LINES • VERTICAL • WILDLIFE • WITHOUT PEOPLE • ZOOLOGY