Caption ]

Orthoceratites & trilobites

Paleozoic Earth - Orthoceratites & trilobites on the bottom of an Ordovician sea 480 million years ago; Iapetus Ocean; Phoibic Ocean; Tornquist Sea; Paleoasiatic Ocean; Ural Ocean; Rheic Ocean (1280x960) - Natural History Illustration

 

Home | What's New | The Graphics | Information | Site Map |  ]