Herpetology

  1. Systematics and Taxonomy
    1. Principles of Zoological Classification
      1. Taxonomic Hierarchy
        1. Nomenclature Rules
          1. Species Concepts
          2. Class Amphibia
            1. Order Anura
              1. Diagnostic Features
                1. Major Families
                  1. Ranidae
                    1. Hylidae
                      1. Bufonidae
                        1. Dendrobatidae
                          1. Leptodactylidae
                            1. Microhylidae
                            2. Global Distribution
                            3. Order Caudata
                              1. Diagnostic Features
                                1. Major Families
                                  1. Salamandridae
                                    1. Ambystomatidae
                                      1. Plethodontidae
                                        1. Proteidae
                                          1. Sirenidae
                                          2. Global Distribution
                                          3. Order Gymnophiona
                                            1. Diagnostic Features
                                              1. Major Families
                                                1. Caeciliidae
                                                  1. Typhlonectidae
                                                    1. Rhinatrematidae
                                                    2. Global Distribution
                                                  2. Class Reptilia
                                                    1. Order Testudines
                                                      1. Diagnostic Features
                                                        1. Suborder Cryptodira
                                                          1. Major Families
                                                            1. Cheloniidae
                                                              1. Testudinidae
                                                                1. Emydidae
                                                                  1. Geoemydidae
                                                                2. Suborder Pleurodira
                                                                  1. Major Families
                                                                    1. Chelidae
                                                                      1. Pelomedusidae
                                                                    2. Global Distribution
                                                                    3. Order Squamata
                                                                      1. Diagnostic Features
                                                                        1. Suborder Lacertilia
                                                                          1. Major Families
                                                                            1. Gekkonidae
                                                                              1. Agamidae
                                                                                1. Iguanidae
                                                                                  1. Scincidae
                                                                                    1. Lacertidae
                                                                                      1. Varanidae
                                                                                    2. Suborder Serpentes
                                                                                      1. Major Families
                                                                                        1. Colubridae
                                                                                          1. Viperidae
                                                                                            1. Elapidae
                                                                                              1. Boidae
                                                                                                1. Pythonidae
                                                                                              2. Suborder Amphisbaenia
                                                                                                1. Major Families
                                                                                                  1. Amphisbaenidae
                                                                                                    1. Bipedidae
                                                                                                  2. Global Distribution
                                                                                                  3. Order Crocodilia
                                                                                                    1. Diagnostic Features
                                                                                                      1. Major Families
                                                                                                        1. Crocodylidae
                                                                                                          1. Alligatoridae
                                                                                                            1. Gavialidae
                                                                                                            2. Global Distribution
                                                                                                            3. Order Rhynchocephalia
                                                                                                              1. Diagnostic Features
                                                                                                                1. Family Sphenodontidae
                                                                                                                  1. Distribution and Conservation Status

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                                                                                                              2. Evolution and Phylogeny

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                                                                                                              4. Anatomy and Morphology