The Silurian is a geologic time period of the early Paleozoic. The Silurian was approximately 440 million years ago, to 416 million years ago. The Silurian was the period immediately after the Ordovician.
The Silurian Period started 443 million years ago and ended and 417 million years ago.
The Silurian period spans from 443 to 419 million years ago. The earliest dinosaurs evolved 231 million years ago. That means there were no dinosaurs at all during the Silurian.
They are both time periods of the early Paleozoic. The Ordovician was approximately 490 million years ago, to 440 million years ago. The Silurian was approximately 440 million years ago, to 416 million years ago. The Silurian was the period immediately after the Ordovician. The two periods were divided by the second largest Mass extinction in history.
It was a geological period about 444 million years ago. also see Ordovician-Silurian extinction events. see Related Link below
The Silurian period was between 443.7 - 416 million years ago, which means that it lasted around 27.7 million years.
In the Silurian Period, roughly 420-440 million years ago.
Silurian Period 408 - 438 Million Years Ago
The Silurian period occurred from 443 million years ago until 416 million years ago. It saw the emergence of animals such as coral and fish that began quickly populating the oceans, and plants like the fern first appeared on the planet.
Silurian plants were plants that lived about 443.7-416.0 million years ago. This was the first time period which had an extensive terrestrial biota in the fossil record. Moss forests along lakes and streams were fairly common.
In the paleozoic, more specifically the Silurian period. Liverworts had evolved by 472 million years ago, putting the very earliest land plants closer to the end of the Ordovician than at the beginning of the Silurian.
That was the beginning of the Devonian peroid and the end of the Silurian period. It was that period when the first insects came to Earth.
The Devonian was the geological time period that followed the Silurian.
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The Silurian went from 443.4 Â± 1.5mya to 419.2 Â± 3.2mya. It spanned from the conclusion of the Ordovician period to the beginning of the Devonian period. However the exact time frame of the Silurian period is unknown and could be off by millions of years because of the fact that that period was set during a significant extinction event. Therefore, the Silurian period lasted about 42 million years, give or take.
The Paleozoic Era lasted from about 540 million years ago to about 280 million years ago. It included the Cambrian, Ordovician, Silurian, Devonian, Carboniferous, and Permian Periods.
The Ordovician period came first. It started 485.4 million years ago and finished 443.8 million years ago. Then came the Silurian and Devonian periods, followed at 358.9 million years ago by the Carboniferous.
Three eras of the Phanerozoic Eon.Carboniferous - 359.2-299 million years ago - Plants Covered the Earth.Devonian - 417-354 million years ago - The Age of FishSilurian - 443-26 million years ago - Plants Move Onto Land
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The Ordovician-Silurian extinction as well as many new species
Primitive Fish,Trilobites,Orthocones and Horseshoe crabs lived in the silurian
Paleozoic era and middle of Silurian period-end of Devonian period ( . Y . )
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Fossils from the Silurian Period are between 443.7 and 416 million years old.
The end of the Silurian period and the beginning of the Devonian period was not defined by an extinction event, but by the distinctive rock formations of the period. As a result the end of the Silurian period is uncertain by +/- 2.8 million years.