archaeopteris; tree; prehistoric; isolated; fern; dinosaur; triassic; jurassic; period; illustration; white; gondwana; background; nature; render; 3d; green; plant; environment; forest; paloebotany; trunk; branch; leaf; graphic; digital: Bilder zum Thema archaeopteris; tree; prehistoric; isolated; fern; dinosaur; triassic; jurassic; period; illustration; white; gondwana; background; nature; render; 3d; green; plant; environment; forest; paloebotany; trunk; branch; leaf; graphic; digital bei ClipDealer