Sentences with phrase «giant saber tooth tigers»

Not exact matches

The fossil record includes the Stromatolites, colonies of prokaryotic bacteria, that range in age going back to about 3 billion years, the Ediacara fossils from South Australia, widely regarded as among the earliest multi-celled organisms, the Cambrian species of the Burgess shale in Canada (circa — 450 million years ago) the giant scorpions of the Silurian Period, the giant, wingless insects of the Devonian period, the insects, amphibians, reptiles, fishes, clams, crustaceans of the Carboniferous Period, the many precursors to the dinosaurs, the 700 odd known species of dinosaurs themselves, the subsequent dominant mammals, including the saber tooth tiger, the mammoths and hairy rhinoceros of North America and Asia, the fossils of early man in Africa and the Neanderthals of Europe.