Paleontology

What is Paleontology?

Paleontology or palaeontology is the scientific study of life that existed prior to, and sometimes including, the start of the Holocene Epoch. It includes the study of fossils to determine organisms’ evolution and interactions with each other and their environments.

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What are the things paleontology includes?

Paleontology includes geological time scales, prehistoric era, animals and biodiversity

Geologic time scale

The geologic time scale is a system of chronological dating that relates geological strata to time. It is used by Geologists, Paleontologists, and other Earth scientists to describe the timing and relationships of events that have occurred during Earth’s history.

These are the time scales

Mya (million years ago)

(Time scale’s links are AD free)

•Hadean

Hadean.png

Early Earth formation, first water.
4560–4000 mya

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•Archean

Single-celled life traces, first oxygen. Photosynthesis.
4500-2500 mya

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•Proterozoic

Multi-celled life traces, atmospheric oxygen. Global glaciations.
2500-541 mya

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•Cambrian

Modern complex life appearance.
541–485.4 mya

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•Ordovician

Modern life diversification trends continue.
485.4–443.8 mya

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•Silurian

First terrestrial plants.
443.8–419.2 mya

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•Devonian

First terrestrial terapods.
419.2–358.9 mya

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•Carboniferous

Times of the large forests and insects. Pangaea formation.
358.9–298.9 mya

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•Permian

Arid Earth period. Largest mass extinction in the Earth history.
298.9–252.17 mya

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•Triassic

First mammals and dinosaurs.
252.17–201.3 mya

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•Jurassic

Dinosaur dominance. Division of the Pangaea.
201.3–145 mya

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•Cretaceous

Flowering plants appearance. Dinosaur extinction.
145–66 mya

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•Paleogenian

Mammal dominance. Eocene thermal maximum.
66–23.03 mya

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•Neogenian

Modern fauna formation. First hominids.
23.03–2.58 mya

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•Quaternary

Time of the Ice Ages. Current times.
2.58–0 mya

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Prehistoric animals

There are many animals which existed in this world before. We can’t describe them all. So we are going to see animals that existed in Triassic to Cretaceous period

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Triassic period

Jurassic period

Cretaceous period