Palomar Community College District
Palomar College: Class
In the animal kingdom, there are seven living classes in the phylum Vertebrata. The Palomar College shares detailed information on each of these classes. Includes examples and photos as well as a follow-up quiz.
University of California
Ucmp: Myxini Hagfishes
This site contains quite a bit of information about hagfishes. There are pictures as well.
University of Florida
Florida Museum of Natural History: Ichthyology: Fish Groups
Provides information on, and photographs of, the primitive fish classes. Discusses the Superclass Agnatha, the Class Chondrichthyes, and the Osteichthyes. Very interesting, with lots of pictures!
California Academy of Sciences
California Academy of Sciences: Echinoderm Webpage
Resource provides a brief overview of echinoderms. Includes pictures and links for more information.
Wikimedia
Wikipedia: Hagfish
This site from the Wikipedia Encyclopedia provides a basic description of the characteristics of the hagfish. Also includes a chart that contains scientific classification information. Links are provided throughout for additional...