Extinct Flower-like Animals From the Cambrian
Extinct Flower-like Animals From the Cambrian This diorama shows how Montreal may have looked almost one-half a billion years ago. Much of the stone dug out of quarries in the Montreal expanse is limestone, a type of sedimentary rock formed of coral and shells, that was laid down during the Ordovician period. This Montreal limestone is commonly used in construction with the event that fossils can be seen in many of the buildings of the metropolis. For more data virtually finding fossils in the building stones of Montreal meet the Redpath Museum'south book What Building Stones Tell or this condensed version . What is the Ordovician? The Ordovician period lasted almost 50 million years, from 488 through to 443 million years ago. It is the second flow in the Paleozoic ("one-time life") era. To put its age into perspective, dinosaurs wouldn't evolve until over two hundred meg years after the Ordovician ended. The globe was