Early Tetrapods
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» Acanthostega 
Information from the American Museum of Natural History, with several reconstructions. » Acanthostega gunnari
A detailed analysis of this early tetrapod by the paleontologist who discovered and described it. » Basal Tetrapod and Amphibian Trees
A list of cladograms tested for their correspondence with stratigraphic data, with references. » Central Pennsylvania Legacies: Fishing for History
An article, accompanying a public radio broadcast, describing the discovery of Hynerpeton bassetti at the Red Hill fossil site. A Real Audio archive of the broadcast is included. » Dendrerpeton acadianum
An early temnospondyl found in petrified tree stumps from Joggins, Nova Scotia. » Eucritta melanolimnetes
Science update from the journal Nature on an early Carboniferous tetrapod, the name of which translates as "Creature from the Black Lagoon". » Evolution of Limbs
A description of the possible effects of the Hox gene family on vertebrate evolution. » First Footing
A article about the debate between paleontologists and geologists regarding the age of the Celsius Bjerg Group, the fossil site where Ichthyostega and Acanthostega were discovered. From the journal Nature. » Fish With Fingers
A description of Ted Daeschler and Neil Shubin's discovery of a transitional fish-tetrapod animal. » Ichthyostega
A detailed description of the first Devonian tetrapod to be discovered. » Neil and Ted's Excellent Adventure
An article describing paleontologists Neil Shubin and Ted Daeschler and their search for early tetrapods, from Philadelphia Citypaper.net. » Out of the Swamps
A description of Casineria, an early tetrapod from Scotland, from Science News Online. » Phylogeny of Stegocephalians
Cladistic diagrams, illustrations and references. » Terrestrial Vertebrates
A description of the tetrapods and other digit bearing vertebrates. » Vertebrate Evolution - Land
A discussion of the required evolutionary adaptations for moving from aquatic life to terrestrial. |
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