is a specific kind of: genus.

is a broader term that covers: Chelonia, genus Chelonia | Caretta, genus Caretta | genus Lepidochelys, Lepidochelys | Eretmochelys, genus Eretmochelys | Dermochelys, genus Dermochelys | Chelydra, genus Chelydra | genus Macroclemys, Macroclemys | genus Kinosternon, Kinosternon | genus Sternotherus, Sternotherus | genus Malaclemys, Malaclemys | genus Pseudemys, Pseudemys | genus Terrapene, Terrapene | Chrysemys, genus Chrysemys | genus Testudo, Testudo | genus Geochelone, Geochelone | genus Gopherus, Gopherus | genus Xerobates, Xerobates | genus Trionyx, Trionyx | genus Sphenodon, Sphenodon | genus Ptychozoon, Ptychozoon | Coleonyx, genus Coleonyx | genus Pygopus, Pygopus | genus Iguana | Amblyrhynchus, genus Amblyrhynchus | Dipsosaurus, genus Dipsosaurus | genus Sauromalus, Sauromalus | Callisaurus, genus Callisaurus | genus Uma, Uma | genus Holbrookia, Holbrookia | Crotaphytus, genus Crotaphytus | Gambelia, genus Gambelia | genus Sceloporus, Sceloporus | genus Uta, Uta | genus Urosaurus, Urosaurus | genus Phrynosoma, Phrynosoma | Basiliscus, genus Basiliscus | Anolis, genus Anolis | Amphisbaena, Amphisbaenia, genus Amphisbaena, genus Amphisbaenia | genus Scincus, Scincus | genus Scincella, Scincella | Eumeces, genus Eumeces | Cordylidae, family Cordylidae | Cordylus, genus Cordylus | Cnemidophorus, genus Cnemidophorus | genus Tupinambis, Tupinambis | genus Agama | Chlamydosaurus, genus Chlamydosaurus | Draco, genus Draco | genus Moloch | genus Gerrhonotus, Gerrhonotus | Anguis, genus Anguis | genus Ophisaurus, Ophisaurus | genus Xenosaurus, Xenosaurus | genus Lanthanotus, Lanthanotus | genus Heloderma, Heloderma | genus Lacerta, Lacerta | Chamaeleo, genus Chamaeleo, genus Chamaeleon | genus Varanus, Varanus | genus Saurosuchus, Saurosuchus | genus Proterochampsa, Proterochampsa | Crocodilus, Crocodylus, genus Crocodilus, genus Crocodylus | genus Tomistoma, Tomistoma | genus Alligator | genus Caiman | Gavialis, genus Gavialis | genus Pisanosaurus | genus Staurikosaurus | genus Stegosaurus | genus Ankylosaurus | genus Protoceratops | genus Triceratops | genus Styracosaurus | genus Psittacosaurus | genus Anatotitan | genus Corythosaurus | genus Edmontosaurus | genus Trachodon | genus Iguanodon | genus Apatosaurus, genus Brontosaurus | genus Barosaurus | genus Diplodocus | genus Titanosaurus, Titanosaurus | genus Seismosaurus, Seismosaurus | genus Ceratosaurus | genus Coelophysis | genus Tyrannosaurus | genus Allosaurus, genus Antrodemus | genus Compsognathus | genus Herrerasaurus | genus Eoraptor | genus Megalosaurus | genus Struthiomimus | genus Deinocheirus | genus Velociraptor | genus Deinonychus | genus Utahraptor | genus Mononychus | Chronoperates, genus Chronoperates | Exaeretodon, genus Exaeretodon | genus Ischigualastia, Ischigualastia | genus Edaphosaurus | genus Dimetrodon | genus Pterodactylus, Pterodactylus | genus Ichthyosaurus | genus Stenopterygius | genus Plesiosaurus | genus Nothosaurus | Carphophis, genus Carphophis | Diadophis, genus Diadophis | genus Heterodon, Heterodon | genus Phyllorhynchus, Phyllorhynchus | genus Opheodrys, Opheodrys | Chlorophis, genus Chlorophis | Coluber, genus Coluber | genus Masticophis, Masticophis | Elaphe, genus Elaphe | genus Ptyas, Ptyas | Arizona, genus Arizona | genus Pituophis, Pituophis | genus Lampropeltis, Lampropeltis | genus Thamnophis, Thamnophis | genus Tropidoclonion, Tropidoclonion | genus Sonora, Sonora | genus Potamophis, Potamophis | genus Haldea, Haldea | genus Natrix, Natrix | genus Nerodia, Nerodia | genus Storeria, Storeria | Chilomeniscus, genus Chilomeniscus | genus Tantilla, Tantilla | genus Oxybelis, Oxybelis | genus Trimorphodon, Trimorphodon | genus Hypsiglena, Hypsiglena | genus Leptotyphlops, Leptotyphlops | Drymarchon, genus Drymarchon | Charina, genus Charina | genus Lichanura, Lichanura | Eunectes, genus Eunectes | genus Python | genus Micrurus, Micrurus | genus Micruroides, Micruroides | Calliophis, Callophis, genus Calliophis, genus Callophis | Aspidelaps, genus Aspidelaps | genus Rhynchoelaps, Rhynchoelaps | Denisonia, genus Denisonia | genus Naja, Naja | genus Ophiophagus, Ophiophagus | genus Hemachatus, Hemachatus | Dendraspis, Dendroaspis, genus Dendraspis, genus Dendroaspis | Acanthophis, genus Acanthophis | genus Notechis, Notechis | genus Pseudechis, Pseudechis | Bungarus, genus Bungarus | genus Oxyuranus, Oxyuranus | genus Vipera, Vipera | Bitis, genus Bitis | Aspis, genus Aspis, genus Cerastes | Agkistrodon, Ancistrodon, genus Agkistrodon, genus Ancistrodon | Crotalus, genus Crotalus | genus Sistrurus, Sistrurus | Bothrops, genus Bothrops ... show more.

is a member of: Craniata, subphylum Craniata, subphylum Vertebrata, Vertebrata.