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Aug 27, 2024 · What was before dinosaurs? For approximately 120 million years—from the Carboniferous to the middle Triassic periods—terrestrial life was dominated by the pelycosaurs, archosaurs, and therapsids (the so-called "mammal-like reptiles") that preceded the dinosaurs.
- Bob Strauss
Sep 11, 2014 · There were animals that roamed the world long before they did. In fact, life existed for hundreds of millions of years before the dinosaurs. And early life came in many shapes and sizes! Some of the most interesting animals lived during the Carboniferous period.
Jul 14, 2024 · Dinosaurs were giant, toothy reptilian creatures that wandered the Earth for millions of years, constantly searching for food and defending their territories. They roamed the world during the Mesozoic, a geological period from 252 million to 66 million years ago. But what lived before the dinosaurs?
Follow the evolution of life from its small beginning to the first animals to conquer dry land. All rights belong to the BBC entertainment....more. Episode 1: Water dwellers This episode covers ...
- 29 min
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- Rugops
Intro 0:00Understanding Geologic Time 2:00The Hadean Eon 3:52The Archean Eon 8:40The Proterozoic Eon 21:24The Cambrian Period 34:46The Ordovician Period 49:2...
- 168 min
- 1.8M
- Paleo Analysis
Mar 18, 2021 · Trilobites are extinct marine arthropods that are known from fossils found all over the world. The name ‘trilobite’ refers to the three lobes, or ridges, that run along the length of a trilobite’s body. Trilobites first appeared in the fossil record in the early Cambrian period, around 521 mya.
Mar 6, 2019 · A quarter of a billion years ago, no one could have predicted that these archosaurs were destined to evolve into the very first dinosaurs of the Mesozoic Era, as well as pterosaurs and crocodiles!
