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Precambrian Period - The Birth of Helios, and All Other Heavenly Bodies
The heavenly nebula, the Proto-Helios nebula, collapses and begins spinning into a disc of hydrogen. As it collapses the Helios star forms, and begins fusing to create the nine planets of our solar system. 4.6 ma BCE. This era is most commonly refereed to as the precambrian period. Trilobytes and Anomolocaris lived in this era. Alga and non vascular plants were at the top of the platae food chain. -
The Beginning Paleozoic Existence
Containing the Cambrian, Ordovician, Silurian, Devonian, Carboniferous, Permian periods. One super-continent breaks up with the forming of another. Ranging from 543 ma to 248 ma. Pikaia and hallucigenia lived in this period, as well as many various mosses and alga. -
Cambrian Period
The beginning of biodiverse geologic history. Many evolutionary milestones appeared in this point of time, including the coming about of the ancestors of sharks, fish, spiders, and horseshoe crabs. Age of trilobytes and algae -
Ordovician Period
Super continent Gondwana is formed and most of the area north of the tropics are ocean. This period was 45 million years long and began 443.7 ma. The earth has two continents, with many cephalopods, boneless fish, green algae, and gastropods -
Silurian Period
Gastropods, trilobites, and many other sea creatures flourished during this period. The third period of the paleozoic era. Lasting for 37 million years, several diverse species came about in this period. -
Devonian Period
Often dubbed, "The Age of Fish" this is where oceanic life became biologically diverse and the food chains were set for the next several million years. It spanned from the Silurian to the Carboniferous periods. The supercontinent Gondwana has begun to break up to allow for more seas between landmasses. -
Carboniferous Period - Age of Trees
Lasting 60 million years, the period was ruled by high-oxygen producing trees. These trees raised oxygen levels to massive values, allowing for giant insects such as dragonflies the size of automobiles. This period was divided into the Mississippian and Pennsylvanian epochs. -
Permian Period
Pangaea and Panthalassa ruled the earths surface. One continent and one ocean. The Permian period sets the stage for the dinosaurs, with some even living in it. Archosaurs and lepidosaurs, turtles, small mammalian creatures lived here. The world was very different, high oxygen levels with massive deserts left over from the carboniferous period. -
The Age of Reptiles - Mesozoic
The Beginning of one of the most famous periods in Earth's history, The Age of Reptiles. Dinosaurs ruled the Earth, living in 3 different periods. Triassic, Jurassic, and Cretaceous. Ranging from 248 ma to 65 ma. -
Triassic Period
The reptiles rule the earth. Following the mass extinction at the end of the permian period, it was time for a deus ex machina of the evolutionary chain of dominance. Land reptiles are king. For 52 million years, the early dinosaurs lived, including the stegosaurus. -
Jurassic Period
Sauropods, Tyrannosaurs, Raptors, the stuff of glory. Kings of evolution, the product of millions of years in the making. Second in the mesozoic era, the Jurassic is the most well renowned period of Mesozoic history. -
Cretaceous Period
Late dinosaurs, sauropods, and small mammals. Broad leafed trees and tropical heat expanded across the globe. Pangaea had begun to break up and split into separate continents. 145.0 mya to 66.0 mya. -
Warm Blooded Mammals Rule - Cenozoic Era
From 65 ma to current day, the Cenozoic contains of two periods, so far, the Tertiary, and Quaternary. Oxygen levels decreased, and ice ages happen more and more. -
Tertiary Period
A cool period in the early Cenozoic era, with glacial freezes and ice deposits. Mammoths, sabre tooth tigers, and warm furry mammals ruled the earth from here on out. -
Quarternary Period
Current period of Earth's history, with sentient sapians and temperate climates. This period gave host to needle-leafed trees and broad leafed trees as well. Massive continental expanse allows for diverse life.
