HTML University

Science Dept.

Biology BIO 100
Animal Taxonomy: The Animal Kingdom

1. Phylum Porifera

2. Phylum Cnidaria or Coelenterata
   1. Class Hydrozoa

   2. Class Scyphozoa

   3. Class Anthozoa

3. Phylum Platyhelminthes
   1. Class Turbellaria

   2. Class Trematoda

   3. Class Cestoda

4. Phylum Rotifera

5. Phylum Nemata

6. Phylum Brachiopoda

7. Phylum Mollusca
   1. Class Polyplacophora

   2. Class Gastropoda

   3. Class Bivalva or Pelecypoda

   4. Class Cephalopoda

8. Phylum Annelida

9. Phylum Onychophora

10. Phylum Arthropoda
    1. Class Crustacea

    2. Class Chilopoda

    3. Class Diplopoda

    4. Class Insecta or Hexapoda

    5. Class Arachnida

11. Phylum Echinodermata
    1. Subphylum Crinoidea

    2. Subphylum Asteroidea

    3. Subphylum Echinozoa

12. Phylum Chordata
    1. Subphylum Vertebrata
       1. Class Agnatha

       2. Class Acanthodii

       3. Class Placodermi

       4. Class Chonrichthyes

       5. Class Osteichthyes

       6. Class Amphibia

       7. Class Reptilia
          1. Order Testudines

          2. Order Rhynchocephalia

          3. Order Crocodylia

          4. Order Lepidosaura

       8. Class Aves

       9. Class Mammalia
          1. Subclass Prototheria

          2. Subclass Metatheria

          3. Subclass Eutheria