Phylum Chordata
(Click on picture below for more info on each class/subphylum)


  1. Overview. More on the chordates is here. A Chordate review PDF is here Another way is here
  2. Movies CLICK HERE FOR MOVIES
  3. Origin of the chordates is HERE
  4. Phylum Chordata.
  5. hemichordate button.gif (6004 bytes)    Subphylum Hemichordata. Relationship between the hemichordates and echinoderms.
  6. Vertebrata overview. (From the agnaths up on the evolutionary tree).
  7. Gnathostomata overview. (From the placoderms up).
  8. Tetrapod overview. (From amphibians to the top of the tree).
  9. Amonita overview.   (From reptiles on up).
  10. Anapsids, Diapsids, and Synapids


Note: Images used in this area were collected from the Usenet, are originals, or are used with permission from Biodidac or the Bioinfo Animal Pictures Archive. If I have inadvertently used a copyrighted image, please contact me and I'll remove it from the site.