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Ichthyostega

Restoration

Ichthyostega was a primitive amphibian that lived in the Late Devonian Period of Greenland.

DescriptionEdit

Ichthyostega measured about 1.5 meters in length. It had seven digits on each hind limb (the front limbs have never been found)[1], and a finned tail. Ichthyostega was one of the first animals to use lungs as primary breathing organs and the adult's skeleton was well-adapted for both aquatic and terrestrial life.

ClassificationEdit

Ichthyostega was closely related to Acanthostega, but the former was more well adapted to life on land than the latter.[2] There are four known species of Ichthyostega, all from the same time and place: I. stensioei, I. watsoni, I. eigili, and I. kochi.

DiscoveryEdit

All four species of Ichthyostega were described in 1932 from Greenland. Some additional specimens were collected from the area during the next twenty years.

PaleobiologyEdit

Ichthyostega was probably a carnivore.

ReferencesEdit

  1. Evolutionary developmental biology, by Brian Keith Hall, 1998, ISBN 0412785803, p. 262
  2. "Acanthostega gunneri". Devonian Times. Retrieved 2013-11-04.

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