During the Devonian Period vertebrate life underwent a fundamental change, moving gradually from the water to the land.
The transformation of fish into tetrapods (animals with four limbs) ranks alongside the development of the backbone and the amniote egg as a key moment in animal evolution.
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Information from Wikipedia on this extinct tetrapod genus, one of the first vertebrate animals to have recognizable limbs.
A detailed analysis of this early tetrapod by Jennifer Clack, the paleontologist who discovered and described it.
An early temnospondyl found in petrified tree stumps from Joggins, Nova Scotia.
Article on the discovery in 2002 of a tetrapod fossil, Pederpes finneyae, which seems to fill the gap between the very earliest and later tetrapods.
Description of this early tetrapod, photograph of its fossil remains, and a reconstruction of its skeleton provided by the Tree of Life Web Project.
A detailed description of the first Devonian tetrapod to be discovered.
A description of the tetrapods and other digit bearing vertebrates.
Information from the BBC on the discovery of a fossil of Eucritta melanolimnetes in a limestone wall in Scotland and the ensuing discoveries in the Black Lagoon from which the stone had come.
(December 21, 2000)
A detailed analysis of this early tetrapod by Jennifer Clack, the paleontologist who discovered and described it.
Description of this early tetrapod, photograph of its fossil remains, and a reconstruction of its skeleton provided by the Tree of Life Web Project.
Information from Wikipedia on this extinct tetrapod genus, one of the first vertebrate animals to have recognizable limbs.
Article on the discovery in 2002 of a tetrapod fossil, Pederpes finneyae, which seems to fill the gap between the very earliest and later tetrapods.
A detailed description of the first Devonian tetrapod to be discovered.
A description of the tetrapods and other digit bearing vertebrates.
An early temnospondyl found in petrified tree stumps from Joggins, Nova Scotia.
Information from the BBC on the discovery of a fossil of Eucritta melanolimnetes in a limestone wall in Scotland and the ensuing discoveries in the Black Lagoon from which the stone had come.
(December 21, 2000)
