The Origin of Vertebrates

1. Early vertebrate fossil record

A. Cambrian vertebrates

  • Read about the recent discovery of the Cambrian fishes of Chengjiang

    B. Conodont animals

    C. Origin of bone



    2. Early vertebrate evolution

    A. Marine vs freshwater origin of vertebrates

    B. Competing hypotheses



    Readings:

    Chapter 2, 44-52



    Terms:

    Conodont

    Odontode

    Calcium phosphate, bone, dentine, enamel

    Glomerular kidney