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Geologic Time Line Organisms

Geologic Time Line Organisms. Precambrian Time Before 570 mybp. Bacteria Algae Worms?. Paleozoic Era 570-225 Million Years Before Present Common Organisms. Jellyfish Sponges Corals Worms Crinoids Brachiopods Trilobites. Corals. Trilobites. More Trilobites. Crinoids. Brachiopods.

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Geologic Time Line Organisms

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  1. Geologic Time Line Organisms

  2. Precambrian TimeBefore 570 mybp • Bacteria • Algae • Worms?

  3. Paleozoic Era570-225 Million Years Before PresentCommon Organisms • Jellyfish • Sponges • Corals • Worms • Crinoids • Brachiopods • Trilobites

  4. Corals

  5. Trilobites

  6. More Trilobites

  7. Crinoids

  8. Brachiopods

  9. Horseshoe Crabs

  10. Mesozoic Era – Age of Dinosaurs225-65 Million Years Before PresentCommon Organisms • Ammonites – Dominated the Mesozoic seas • Dinosaurs – Dominated the Land • Archaeopterix– First bird

  11. Ammonites

  12. Archaeopteryx

  13. Cenozoic Era – Age of Mammals65 Million Years Before Present to the Present

  14. Australopithecus afarensis3.85-2.95 million years ago • Australopithecus afarensis is an extinct hominid that lived between 3.85 and 2.95 million years ago.[1]A. afarensis was slenderly built, like the younger Australopithecus africanus. It is thought that A. afarensis was more closely related to the genus Homo (which includes the modern human species Homo sapiens), whether as a direct ancestor or a close relative of an unknown ancestor, than any other known primate from the same time. • The most famous fossil is the partial skeleton named Lucy (3.2 million years old) found by Donald Johanson and colleagues.

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