triceratops with cretaceous land in the background at sunset

triceratops cretaceous land background sunset biology fossil science skeleton skull son strong wildlife bone dinosaur ecology engraved engraving extinct head herbivore horn love tyrannosaurus antique dino etching history isolated jurassic species vintage wild zoology animal black cute egg historic old paleontology ancient coast sweet protoceratops styracosaur triassic aggressive reptile extinction means three horned