ANTH 102 Lecture Notes - Lecture 37: Darwinius, Plate Tectonics, Eocene

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8 May 2018

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Anth 102

5/7/18

Introduction to Human

Origins.

Spring 2018

Eocene Era

A. Next exam next Monday

B. Eocene Era

- 55-34 mya

- Abrupt warming trend in early Eocene

- Radiation of small arboreal primates across north America, Eurasia and Africa

- Habitat expansion – vital

- Warmer and wetter= more arboreal environments

- Close proximity of Eurasia and North America allowed migration of primates into North

America

- Island hopping, rafting, etc.

- Next to newest time period

C. Discovery of Darwinius from the Messel site in Germany dates from 47 million years ago

called IDA

- Pit in Germany allowed excellent preservation

- Preserves soft tissue, bug on fur, stomach contents first.

- Have fossilized bones, stomach contents, outlines of fur

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