Early Tetrapods
Links
Fish With Fingers
http://sln.fi.edu/qa98/biology/journals/part14.html
A description of Ted Daeschler and Neil Shubin's discovery of a transitional fish-tetrapod animal.
Basal Tetrapod and Amphibian Trees
http://palaeo.gly.bris.ac.uk/cladestrat/amphibians.html
A list of cladograms tested for their correspondence with stratigraphic data, with references.
Evolution of Limbs
http://www.gate.net/~rwms/EvoLimb.html
A description of the possible effects of the Hox gene family on vertebrate evolution.
Dendrerpeton acadianum
http://www.ucmp.berkeley.edu/carboniferous/joggins.html
An early temnospondyl found in petrified tree stumps from Joggins, Nova Scotia.
Ichthyostega
http://tolweb.org/tree?group=Ichthyostega&contgroup=Terrestrial_vertebrates
A detailed description of the first Devonian tetrapod to be discovered.
Acanthostega gunnari
http://tolweb.org/tree?group=Acanthostega&contgroup=Terrestrial_Vertebrates
A detailed analysis of this early tetrapod by the paleontologist who discovered and described it.
Terrestrial Vertebrates
http://tolweb.org/tree?group=Terrestrial_Vertebrates&contgroup=Sarcopterygii
A description of the tetrapods and other digit bearing vertebrates.
Neil and Ted's Excellent Adventure
http://www.citypaper.net/articles/070199/feat.covstory1.shtml
An article describing paleontologists Neil Shubin and Ted Daeschler and their search for early tetrapods, from Philadelphia Citypaper.net.