types:

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Chelonia, genus Chelonia

green turtles

Caretta, genus Caretta

loggerhead turtles

Lepidochelys, genus Lepidochelys

ridleys

Eretmochelys, genus Eretmochelys

hawksbills

Dermochelys, genus Dermochelys

type genus of the Dermochelyidae: leatherback turtles

Chelydra, genus Chelydra

snapping turtles

Macroclemys, genus Macroclemys

includes the alligator snapping turtle

Kinosternon, genus Kinosternon

type genus of the Kinosternidae

Sternotherus, genus Sternotherus

musk turtles

Malaclemys, genus Malaclemys

American terrapins

Pseudemys, genus Pseudemys

sliders; red-bellied terrapin

Terrapene, genus Terrapene

box turtles

Chrysemys, genus Chrysemys

painted turtles

Testudo, genus Testudo

type genus of the Testudinidae

Geochelone, genus Geochelone

giant tortoises

Gopherus, genus Gopherus

gopher tortoises

Xerobates, genus Xerobates

possible new genus for desert and Texas tortoises based on recent research

Trionyx, genus Trionyx

type genus of the Trionychidae

Sphenodon, genus Sphenodon

coextensive with the order Rhynchocephalia: tuataras

Ptychozoon, genus Ptychozoon

flying geckos

Coleonyx, genus Coleonyx

banded geckos

Pygopus, genus Pygopus

type genus of the Pygopodidae; snake-shaped pleurodont lizard with no forelimbs and only rudimentary hind limbs

genus Iguana

type genus of the Iguanidae

Amblyrhynchus, genus Amblyrhynchus

marine iguanas

Dipsosaurus, genus Dipsosaurus

desert iguanas

Sauromalus, genus Sauromalus

chuckwallas

Callisaurus, genus Callisaurus

zebra-tailed lizard

Uma, genus Uma

fringe-toed lizard

Holbrookia, genus Holbrookia

earless lizards

Crotaphytus, genus Crotaphytus

collared lizards

Gambelia, genus Gambelia

leopard lizards

Sceloporus, genus Sceloporus

spiny lizards

Uta, genus Uta

a reptile genus of Iguanidae

Urosaurus, genus Urosaurus

a reptile genus of Iguanidae

Phrynosoma, genus Phrynosoma

horned lizards

Basiliscus, genus Basiliscus

a reptile genus of Iguanidae

Anolis, genus Anolis

New World chameleons

Amphisbaena, Amphisbaenia, genus Amphisbaena, genus Amphisbaenia

type genus of the Amphisbaenidae

Scincus, genus Scincus

type genus of Scincidae

Scincella, genus Scincella

a reptile genus of Scincidae

Eumeces, genus Eumeces

New World skinks

Cordylidae, family Cordylidae

small family of spiny ovoviviparous African lizards

Cordylus, genus Cordylus

type genus of the Cordylidae; spiny lizards somewhat resembling tiny crocodiles

Cnemidophorus, genus Cnemidophorus

whiptails

Tupinambis, genus Tupinambis

tejus

genus Agama

type genus of the Agamidae

Chlamydosaurus, genus Chlamydosaurus

frilled lizards

Draco, genus Draco

a reptile genus known as flying dragons or flying lizards

genus Moloch

genus of Australian desert lizard

Gerrhonotus, genus Gerrhonotus

alligator lizards

Anguis, genus Anguis

type genus of the Anguidae: blindworms

Ophisaurus, genus Ophisaurus

glass lizards

Xenosaurus, genus Xenosaurus

type and sole genus of Xenosauridae: slender-bodied Mexican lizards having the upper surface covered with tiny granules and tubercles

Lanthanotus, genus Lanthanotus

one species

Heloderma, genus Heloderma

type genus of the Helodermatidae; American venomous lizards

Lacerta, genus Lacerta

type genus of the Lacertidae

Chamaeleo, genus Chamaeleo, genus Chamaeleon

type genus of the Chamaeleontidae

Varanus, genus Varanus

type and sole extant genus of the Varanidae

Saurosuchus, genus Saurosuchus

early archosaurian carnivore

Proterochampsa, genus Proterochampsa

early archosaurian carnivore

Crocodilus, Crocodylus, genus Crocodilus, genus Crocodylus

type genus of the Crocodylidae

Tomistoma, genus Tomistoma

a genus of Malayan crocodiles

genus Alligator

type genus of the Alligatoridae

genus Caiman

caimans

Gavialis, genus Gavialis

type genus of the Gavialidae

genus Pisanosaurus

primitive ornithischian dinosaur found in Argentina; early Triassic

genus Staurikosaurus

primitive ornithischian dinosaur found in Brazil

genus Stegosaurus

quadrupedal armored herbivore of the Jurassic and Cretaceous

genus Ankylosaurus

armored herbivorous dinosaurs of the Cretaceous

genus Protoceratops

small horned dinosaurs

genus Triceratops

genus of herbivorous horned dinosaurs

genus Styracosaurus

genus of horned dinosaurs

genus Psittacosaurus

most primitive genus of horned dinosaurs; early Cretaceous

genus Anatotitan

genus of large duck-billed dinosaurs; late Cretaceous

genus Corythosaurus

genus of duck-billed dinosaurs of late Cretaceous

genus Edmontosaurus

duck-billed dinosaurs of Canada

genus Trachodon

a reptile genus of the suborder Euronithopoda

genus Iguanodon

type genus of the Iguanodontidae

genus Apatosaurus, genus Brontosaurus

large quadrupedal herbivorous dinosaurs with very long neck and tail; late Jurassic

genus Barosaurus

huge quadrupedal herbivorous dinosaur; late Jurassic

genus Diplodocus

a reptile genus of the suborder Sauropoda

Titanosaurus, genus Titanosaurus

genus of herbivorous dinosaurs flourishing during the Cretaceous in South America

Seismosaurus, genus Seismosaurus

genus of large herbivorous dinosaurs of Cretaceous found in western North America

genus Ceratosaurus

primitive saurischian carnivorous dinosaurs

genus Coelophysis

late Triassic carnivorous saurischian dinosaurs

genus Tyrannosaurus

includes a single species

genus Allosaurus, genus Antrodemus

carnivorous dinosaur of North America; late Jurassic

genus Compsognathus

a reptile genus of Theropoda

genus Herrerasaurus

primitive theropod found in Argentina; early Triassic

genus Eoraptor

primitive theropod found in Argentina; early Triassic

genus Megalosaurus

type genus of the Megalosauridae

genus Struthiomimus

small toothless saurischian dinosaurs; later Cretaceous period in Canada

genus Deinocheirus

a reptile genus of Ornithomimida

genus Velociraptor

advanced carnivorous theropod

genus Deinonychus

advanced bipedal carnivorous dinosaur

genus Utahraptor

advanced bipedal carnivorous dinosaur

genus Mononychus

authorities disagree over whether to classify the genus as bird or dinosaur

Chronoperates, genus Chronoperates

a reptile genus of Therapsida

Exaeretodon, genus Exaeretodon

a genus of reptiles of the division Cynodontia

Ischigualastia, genus Ischigualastia

early reptile found in Argentina

genus Edaphosaurus

type genus of the Edaphosauridae

genus Dimetrodon

a reptile genus of Pelycosauria

Pterodactylus, genus Pterodactylus

a reptile genus of Pterodactylidae

genus Ichthyosaurus

type genus of the Ichthyosauridae

genus Stenopterygius

a reptile genus of Ichthyosauridae

genus Plesiosaurus

a reptile genus of suborder Plesiosauria

genus Nothosaurus

a genus of Nothosauria

Carphophis, genus Carphophis

thunder snake

Diadophis, genus Diadophis

a genus of reptiles of the family Colubridae including ringneck snakes

Heterodon, genus Heterodon

a genus of small colubrid snakes containing the North American hognose snakes

Phyllorhynchus, genus Phyllorhynchus

leaf-nosed snakes

Opheodrys, genus Opheodrys

North American green snakes

Chlorophis, genus Chlorophis

African green snakes

Coluber, genus Coluber

racers

Masticophis, genus Masticophis

whip snakes

Elaphe, genus Elaphe

North American rat snakes

Ptyas, genus Ptyas

Asian rat snakes

Arizona, genus Arizona

glossy snake

Pituophis, genus Pituophis

bull snakes

Lampropeltis, genus Lampropeltis

king snakes and milk snakes

Thamnophis, genus Thamnophis

garter snakes

Tropidoclonion, genus Tropidoclonion

lined snakes

Sonora, genus Sonora

ground snakes

Potamophis, genus Potamophis

ground snakes

Haldea, genus Haldea

ground snakes

Natrix, genus Natrix

water snakes; a cosmopolitan genus

Nerodia, genus Nerodia

North American water snakes

Storeria, genus Storeria

a genus of Colubridae

Chilomeniscus, genus Chilomeniscus

sand snakes

Tantilla, genus Tantilla

black-headed snakes

Oxybelis, genus Oxybelis

vine snakes

Trimorphodon, genus Trimorphodon

lyre snakes

Hypsiglena, genus Hypsiglena

night snakes

Leptotyphlops, genus Leptotyphlops

blind snakes of Asia and Africa and Americas

Drymarchon, genus Drymarchon

a genus of Colubridae

Charina, genus Charina

boas of western North America

Lichanura, genus Lichanura

boas of western North America

Eunectes, genus Eunectes

anacondas

genus Python

Old World boas

Micrurus, genus Micrurus

coral snakes

Micruroides, genus Micruroides

coral snakes

Calliophis, Callophis, genus Calliophis, genus Callophis

Asian coral snakes

Aspidelaps, genus Aspidelaps

African coral snakes

Rhynchoelaps, genus Rhynchoelaps

Australian coral snakes

Denisonia, genus Denisonia

copperheads

Naja, genus Naja

cobras

Ophiophagus, genus Ophiophagus

king cobra

Hemachatus, genus Hemachatus

ringhals

Dendraspis, Dendroaspis, genus Dendraspis, genus Dendroaspis

mambas

Acanthophis, genus Acanthophis

Australian elapid snakes

Notechis, genus Notechis

tiger snakes

Pseudechis, genus Pseudechis

venomous Australian blacksnakes

Bungarus, genus Bungarus

kraits

Oxyuranus, genus Oxyuranus

taipans

Vipera, genus Vipera

type genus of the Viperidae

Bitis, genus Bitis

a genus of Viperidae

Aspis, genus Aspis, genus Cerastes

horned vipers

Agkistrodon, Ancistrodon, genus Agkistrodon, genus Ancistrodon

copperheads

Crotalus, genus Crotalus

large rattlesnakes; seldom bite unless startled or pursuing prey

Sistrurus, genus Sistrurus

pygmy rattlesnakes

Bothrops, genus Bothrops

fer-de-lance

type of:

genus

(biology) taxonomic group containing one or more species