The Iron Age is the period generally occurring after the Bronze Age, marked by the prevalent use of iron.

The Earth's crust, oceans and atmosphere have evolved over an enormous timescale. We hope that this page has given you some idea of the many different types of animal that lived alongside the dinosaurs. ... Mammals only came into being after the dinosaurs died out. Chindesaurus Coelophysis Coloradisaurus Eoraptor Guaibasaurus Herrerasaurus Liliensternus Lycorhinus Melanorosaurus Mussaurus Plateosaurus Procompsognathus Pro-compsognathus The Earth's crust, oceans and atmosphere have evolved over an enormous timescale. The last glacial period, popularly known as the Ice Age, was the most recent glacial period within the current ice age occurring during the last years of the Pleistocene, from … Dinosauria is a well-supported clade , present in 98% of bootstraps . Dinosaurs weren't the only creatures that went extinct after Chicxulub hit. most of them were big they came from amphibians that came from fish birds are dinosaurs related to T. Rex dinosaurs are alive today (birds) some were small and i don't know what else to say This was many millions of years before the first modern humans, Homo sapiens, appeared. Animals That Lived With Dinosaurs: Conclusion. Dinosaurs went extinct about 65 million years ago (at the end of the Cretaceous Period), after living on Earth for about 165 million years. Scientists divide the Mesozoic Era into three periods: the Triassic, Jurassic and Cretaceous. Dinosaurs roamed the planet for about 165 million years, during a time in the Earth’s history called the Mesozoic Era. Dinosaurs in the late Triassic (237 to 201 million years ago) 16 dinosaurs from the Late Triassic. Non-bird dinosaurs lived between about 245 and 66 million years ago, in a time known as the Mesozoic Era. After the Dinosaurs Died, Earth Experienced the Age of Fish The fossil record shows how ray-finned fishes took over the planet’s oceans A collection of … Toward the start of the Permian period, about 300 million years ago, the earth's climate gradually became hotter and drier.These conditions favored small reptiles like Hylonomus and were detrimental to the amphibians that had previously dominated the planet. Evolution of dinosaurs Dinosaurs evolved within a single lineage of archosaurs 243-233 Ma (million years ago) from the Anisian to the Carnian ages, the latter part of the middle Triassic . Dinosaurs in the late Triassic (237 to 201 million years ago) 16 dinosaurs from the Late Triassic. Dinosaurs went extinct about 65 million years ago (at the end of the Cretaceous Period), after living on Earth for about 165 million years.