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Category:First appearances of taxa

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Water

Single-celled
life

Photosynthesis

Eukaryotes

Multicellular
life

Arthropods Molluscs

Plants

Dinosaurs

Mammals

Flowers

Birds

Primates

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Earliest Earth (−4540)

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Earliest oxygen

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Atmospheric oxygen

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Sexual reproduction

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Earliest plants

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Earliest animals

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Ediacaran biota

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Cambrian explosion

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Earliest multicell life

(million years ago)

This category "First appearances of taxa" is from Wikipedia if otherwise notified.

Subcategories

This category has the following 3 subcategories, out of 3 total.

F

First appearances of genera (1 C)

P

Phanerozoic first appearances (4 C)
Proterozoic first appearances (1 C)

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