Invertebrate Zoology

  1. Phylum Chordata
    1. Chordate Characteristics
      1. Notochord
        1. Dorsal Hollow Nerve Cord
          1. Pharyngeal Slits
            1. Endostyle
              1. Post-anal Tail
              2. Subphylum Tunicata
                1. General Characteristics
                  1. Tunicate Body Plan
                    1. Class Ascidiacea
                      1. Sea Squirts
                        1. Filter Feeding
                          1. Colonial Forms
                          2. Class Appendicularia
                            1. Larvaceans
                              1. Pelagic Lifestyle
                              2. Class Thaliacea
                                1. Salps
                                  1. Jet Propulsion
                                  2. Development and Metamorphosis
                                  3. Subphylum Cephalochordata
                                    1. Amphioxus
                                      1. Body Organization
                                        1. Chordate Features
                                          1. Evolutionary Significance
                                          2. Evolutionary Relationships
                                            1. Invertebrate-Vertebrate Transition
                                              1. Phylogenetic Studies

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                                            14. Phylum Hemichordata

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                                            16. Comparative Physiology