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Biodiversity of the reptile genera of Japan  excl. introduced, extinct, unconfirmed, and unnamed species |
Species |
Endemic species |
Endemism (species) |
Species in % of all reptile species in Japan |
 | ||||
| Lizards (Sauria) | ||||
| Family Agamidae (Agamas and Dragons) |
Species | Endemic species |
Endemism (species) |
Species in % of all reptile species in Japan |
| Diploderma (Eastern Mountain Agamas) | 1 | 0 | 0.0 % | 1.1 % |
| Family Eublepharidae (Eyelid Geckos) |
Species | Endemic species |
Endemism (species) |
Species in % of all reptile species in Japan |
| Goniurosaurus (East Asian Leopard Geckos) | 5 | 5 | 100.0 % | 5.5 % |
| Family Gekkonidae (Typical Geckos) |
Species | Endemic species |
Endemism (species) |
Species in % of all reptile species in Japan |
| Gehyra (Four-clawed Geckos) | 2 | 1 | 50.0 % | 2.2 % |
| Gekko (Typical Geckos) | 6 | 4 | 66.7 % | 6.6 % |
| Hemidactylus (Half-toed Geckos) | 2 | 1 | 50.0 % | 2.2 % |
| Hemiphyllodactylus (Slender Geckos) | 1 | 0 | 0.0 % | 1.1 % |
| Lepidodactylus (Scaly-toed Geckos) | 1 | 0 | 0.0 % | 1.1 % |
| Perochirus (Saw-tailed Geckos) | 1 | 0 | 0.0 % | 1.1 % |
| Family Lacertidae (Typical Lizards) |
Species | Endemic species |
Endemism (species) |
Species in % of all reptile species in Japan |
| Takydromus (Oriental Grass Lizards) | 5 | 3 | 60.0 % | 5.5 % |
| Zootoca (Viviparous Lizard) | 1 | 0 | 0.0 % | 1.1 % |
| Family Scincidae (Skinks) |
Species | Endemic species |
Endemism (species) |
Species in % of all reptile species in Japan |
| Ateuchosaurus (East Asian Short-legged Skinks) | 1 | 1 | 100.0 % | 1.1 % |
| Cryptoblepharus (Indo-Pacific Snake-eyed Skinks) | 1 | 1 | 100.0 % | 1.1 % |
| Emoia (Emo Skinks) | 1 | 0 | 0.0 % | 1.1 % |
| Plestiodon (Blue-tailed Skinks) | 10 | 8 | 80.0 % | 11.0 % |
| Scincella (South Asian and American Ground Skinks) | 2 | 1 | 50.0 % | 2.2 % |
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| Snakes (Serpentes) | ||||
| Family Colubridae (Typical Snakes) |
Species | Endemic species |
Endemism (species) |
Species in % of all reptile species in Japan |
| Calamaria (Oriental Reed Snakes) | 2 | 1 | 50.0 % | 2.2 % |
| Elaphe (Palearctic-Oriental Rat Snakes) | 4 | 0 | 0.0 % | 4.4 % |
| Euprepiophis (East Asian Rat Snakes) | 1 | 0 | 0.0 % | 1.1 % |
| Hebius (Oriental Equatorial Keelbacks) | 4 | 3 | 75.0 % | 4.4 % |
| Lycodon (Oriental Wolf Snakes) | 4 | 2 | 50.0 % | 4.4 % |
| Opisthotropis (Mountain Stream Keelbacks) | 1 | 1 | 100.0 % | 1.1 % |
| Ptyas (Giant Rat Snakes) | 2 | 0 | 0.0 % | 2.2 % |
| Rhabdophis (Asian Keelbacks) | 1 | 1 | 100.0 % | 1.1 % |
| Family Elapidae [terrestrial species] (Cobras. Mambas. etc.) |
Species | Endemic species |
Endemism (species) |
Species in % of all reptile species in Japan |
| Sinomicrurus (East Asian Coral Snakes) | 2 | 1 | 50.0 % | 2.2 % |
| Family Elapidae [marine species] (Sea Snakes) |
Species | Endemic species |
Endemism (species) |
Species in % of all reptile species in Japan |
| Emydocephalus (Turtle-headed Sea Snakes) | 1 | 0 | 0.0 % | 1.1 % |
| Hydrophis (Typical Sea Snakes) | 5 | 0 | 0.0 % | 5.5 % |
| Laticauda (Sea Kraits) | 3 | 0 | 0.0 % | 3.3 % |
| Family Pareidae (Oriental Slug Eaters) |
Species | Endemic species |
Endemism (species) |
Species in % of all reptile species in Japan |
| Pareas (Typical Oriental Slug Eaters) | 1 | 1 | 100.0 % | 1.1 % |
| Family Typhlopidae (Typical Blind Snakes) |
Species | Endemic species |
Endemism (species) |
Species in % of all reptile species in Japan |
| Indotyphlops (South Asian Blind Snakes) | 1 | 0 | 0.0 % | 1.1 % |
| Family Viperidae (Vipers) |
Species | Endemic species |
Endemism (species) |
Species in % of all reptile species in Japan |
| Gloydius (Mamushis) | 2 | 1 | 50.0 % | 2.2 % |
| Ovophis (Asian Mountain Pitvipers) | 1 | 1 | 100.0 % | 1.1 % |
| Protobothrops (Habus & allies) | 3 | 3 | 100.0 % | 3.3 % |
| Family Xenodermidae (Asian Litter Snakes) |
Species | Endemic species |
Endemism (species) |
Species in % of all reptile species in Japan |
| Achalinus (East Asian Burrowing Snakes) | 3 | 1 | 33.3 % | 3.3 % |
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| Turtles (Testudines) | ||||
| Family Cheloniidae (Hard-shelled Sea Turtles) |
Species | Endemic species |
Endemism (species) |
Species in % of all reptile species in Japan |
| Caretta (Loggerhead Sea Turtle) | 1 | 0 | 0.0 % | 1.1 % |
| Chelonia (Green Sea Turtle) | 1 | 0 | 0.0 % | 1.1 % |
| Eretmochelys (Hawksbill Sea Turtle) | 1 | 0 | 0.0 % | 1.1 % |
| Lepidochelys (Ridley Sea Turtles) | 1 | 0 | 0.0 % | 1.1 % |
| Family Dermochelyidae (Leatherback Sea Turtle) |
Species | Endemic species |
Endemism (species) |
Species in % of all reptile species in Japan |
| Dermochelys (Leatherback Sea Turtle) | 1 | 0 | 0.0 % | 1.1 % |
| Family Geoemydidae (Eastern Pond Turtles) |
Species | Endemic species |
Endemism (species) |
Species in % of all reptile species in Japan |
| Cuora (Asian Box Turtles) | 1 | 1 | 100.0 % | 1.1 % |
| Geoemyda (Black-breasted Leaf Turtles) | 1 | 1 | 100.0 % | 1.1 % |
| Mauremys (Stripe-necked Turtles) | 2 | 1 | 50.0 % | 2.2 % |
| Family Trionychidae (Softshell Turtles) |
Species | Endemic species |
Endemism (species) |
Species in % of all reptile species in Japan |
| Pelodiscus (East Asian Softshell Turtles) | 1 | 0 | 0.0 % | 1.1 % |