five kingdoms of life - texas a&m international university labs/proterozoic… · five kingdoms...

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Five Kingdoms of Life

1

Early Proterozoic Stromatolites

2

Banded Iron Formation (2.5 - 2.3 Ga)

3

Continental Redbeds (starting at 2.3 Ga)

4

Prokaryotes vs. Eukaryotes

5

Grypania - oldest known megafossil (2.1 Ga)

6

Bangiomorpha - oldest accepted eukaryote (1.2 Ga)

7

1.4 Ga Arcitarches - possible early eukaryotes

8

Endosymbiosis Theory

9

Earliest Multi-cellular Organisms ? (900 Ma)

10

Edicara Fauna (~640 Ma)

11

Edicara Paleocommunity

12

Tommotian Fauna - first hard-shelled metazoans

13

Anomalocaris - earliest known predator

14

541 Ma - The Cambrian Explosion of Life

15

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