Acanthostega «
http://www.amnh.org/home/index.html | | Information from the american museum of natural history , with several reconstructions. |
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. |
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. |
Central Pennsylvania Legacies: Fishing for History «
http://wpsu.psu.edu/Legacies/leg-feb24.html | | 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 «
http://www.ucmp.berkeley.edu/carboniferous/joggins.html | | An early temnospondyl found in petrified tree stumps from joggins , nova scotia. |
Eucritta melanolimnetes «
http://helix.nature.com/nsu/980709/980709-3.html | | 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 «
http://www.gate.net/~rwms/EvoLimb.html | | A description of the possible effects of the hox gene family on vertebrate evolution. |
First Footing «
http://helix.nature.com/nsu/990715/990715-5.html | | 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 «
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. |
Ichthyostega «
http://tolweb.org/tree?group=Ichthyostega&contgroup=Terrestrial_vertebrates | | A detailed description of the first devonian tetrapod to be discovered. |
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. |
Out of the Swamps «
http://www.sciencenews.org/sn_arc99/5_22_99/bob1.htm | | A description of casineria , an early tetrapod from scotland , from science news online. |
Phylogeny of Stegocephalians «
http://tolweb.org/tree/eukaryotes/animals/chordata/terres_vert_lichen/phylogeny.html | | Cladistic diagrams , illustrations and references. |
Terrestrial Vertebrates «
http://tolweb.org/tree?group=Terrestrial_Vertebrates&contgroup=Sarcopterygii | | A description of the tetrapods and other digit bearing vertebrates. |
Vertebrate Evolution - Land «
http://www.bio.miami.edu/tom/bil160/bil160goods/20_verts2.html | | A discussion of the required evolutionary adaptations for moving from aquatic life to terrestrial. |
