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When the Invasion of Land FailedThe Legacy of the Devonian Extinctions$
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George McGhee,

Print publication date: 2013

Print ISBN-13: 9780231160575

Published to Columbia Scholarship Online: November 2015

DOI: 10.7312/columbia/9780231160575.001.0001

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The Second Animal Invasion

The Second Animal Invasion

(p.159) Chapter 5 The Second Animal Invasion
When the Invasion of Land Failed

George R. McGhee

Columbia University Press

This chapter enumerates the new species that began to re-inhabit the earth after the End-Frasnian Catastrophe. In the wake of Famennian period, the first tetrapod to live on land, according to the fossil record, was the Russian species Jakubsonia livnensis. It is the sole fossil species known from the Famennian Gap—a gap in fossil records between End-Frasnian catastrophe and Famennian. Afterwards, five new tetrapod species populated Greenland, namely Ichthyostega stensioei, Ichthyostega watsoni, Ichthyostega eigili, Acanthostega gunnari, and Ymeria denticulate. Following the appearance of these five species, two new tetrapod species began to live in Pennsylvania in the United States: the Hynerpeton bassetti and the Frasnian ghost lineage species Densignathus rowei. Lastly, the Tulerpeton curtum dwelt on the land of Russia together with Jakubsonia livnensis.

Keywords:   Famennian period, End-Frasnian Catastrophe, Famennian Gap, tetrapod, fossil species, tetrapod species

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