early tetrapods

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• - 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.
  
• - A description of Ted Daeschler and Neil Shubin's discovery of a transitional fish-tetrapod animal.
  
• - A list of cladograms tested for their correspondence with stratigraphic data, with references.
  
• - Information from the American Museum of Natural History, with several reconstructions.
  
• - A description of Casineria, an early tetrapod from Scotland, from Science News Online.
  
• - Cladistic diagrams, illustrations and references.
  
• - A detailed analysis of this early tetrapod by the paleontologist who discovered and described it.
  
• - A detailed description of the first Devonian tetrapod to be discovered.
  
• - Science update from the journal Nature on an early Carboniferous tetrapod, the name of which translates as "Creature from the Black Lagoon".
  
• - An early temnospondyl found in petrified tree stumps from Joggins, Nova Scotia.
  
• - Description of this Mississippian fossil site.
  
• - An article describing paleontologists Neil Shubin and Ted Daeschler and their search for early tetrapods, from Philadelphia Citypaper.net.
  
• - A description of the possible effects of the Hox gene family on vertebrate evolution.
  
• - 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.
  
• - A discussion of the required evolutionary adaptations for moving from aquatic life to terrestrial.
  
• - Lecture notes from the Major Features of Vertebrate Evolution class at the University of Toronto.
  
• - A description of the tetrapods and other digit bearing vertebrates.