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11 Cards in this Set

  • Front
  • Back

Dermoptera, Scandentia, and Primata became distinct during what period?

Cretaceous or by the earliest Paleocene

Boreoeutheria is made up of what two groups?

- Laurasiatheria

- Euarchontoglires

Euarchontoglires is made up of what two groups?

- Euarchonta

- Glires

Euarchonta includes mammals in the northern hemisphere that shared a common ancestor with which group?

- Glires (Rodentia and Lagomorpha) in the Cretaceous or earliest Paleocene

Euarchonta and Glires may have split up deep within what period?

- Cretaceous

What period did the ancestors of Dermoptera and Primates evolve - and in what country?

- Early Paleocene

- N. America

During the Late Paleocene the ancestors of Dermoptera and Primates made it to what countries?

- Asia

- Africa

Dermopteran and Scandentia fossils were found in Asia. What period did they date back to?

- Eocene

The common ancestor of Dermoptera and Scandentia is the sister group to what group?

- Primata

Order Dermoptera

  • Colugo
  • nocturnal
  • petagium - heat to tail
  • best of all gliding animals
  • once thought to be sister group to Chiroptera but molecular evidence does not support this

Order Scandentia

  • tree shrews
  • diverged from Dermoptera by the Eocene
  • diurnal
  • omnivorous
  • squirrel size
  • no whiskers