How many reptile species are there in the World?
(as of January 18th, 2021)

Rune Midtgaard
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Note: species counts do not include unnamed species, whether published or not.


Checklist of the Reptiles of the World


Families Genera Species
Reptiles (Reptilia)   85   1241   11659
Families Genera Species
Worm Lizards (Amphisbaenia) 6 24 217
Amphisbaenidae (Typical Worm Lizards)   16 196
Bipedidae (Two-legged Worm Lizards)   1 3
Blanidae (Mediterranean Worm Lizards)   1 7
Cadeidae (Cuban Worm Lizards)   1 2
Rhineuridae (Florida Worm Lizard)   1 1
Trogonophidae (Short-headed Worm Lizards)   4 8
Families Genera Species
Crocodilians (Crocodylia) 3 9 28
Alligatoridae (Alligators and Caimans)   4 8
Crocodylidae (Crocodiles)   3 18
Gavialidae (Gharials)   2 2
Families Genera Species
Tuatara (Rhynchocephalia) 1 1 1
Sphenodontidae (Tuatara)   1 1
Families Genera Species
Lizards (Sauria) 37 565 7096
Agamidae (Agamas and Dragons)   60 554
Alopoglossidae (Fold-tongued Spectacled Tejus)   1 29
Anguidae (Slowworms, etc.)   12 129
Anniellidae (North American Legless Lizards)   1 6
Carphodactylidae (Southern Padless Geckos)   7 32
Chamaeleonidae (Chameleons)   12 217
Cordylidae (Girdled Lizards)   10 70
Corytophanidae (Basilisks)   3 11
Crotaphytidae (North American Collared Lizards)   2 12
Dactyloidae (Anoles)   8 447
Dibamidae (Blind Skinks)   2 25
Diplodactylidae (Double-toed Geckos)   25 156
Eublepharidae (Eyelid Geckos)   6 42
Gekkonidae (Typical Geckos)   58 1423
Gerrhosauridae (Plated Lizards)   7 38
Gymnophthalmidae (Scaly-tongued Spectacled Tejus)   55 275
Helodermatidae (Beaded Lizards)   1 5
Hoplocercidae (Club-tailed Iguanas)   3 19
Iguanidae (Greater Iguanas)   9 47
Lacertidae (Typical Lizards)   43 359
Lanthanotidae (Earless Monitor Lizard)   1 1
Leiocephalidae (Curly-tailed Lizards)   1 24
Leiosauridae (Smooth Iguanas)   6 34
Liolaemidae (South American Lesser Iguanas)   3 336
Opluridae (Madagascar Iguanas)   2 8
Phrynosomatidae (North American Lesser Iguanas)   9 169
Phyllodactylidae (Leaf-toed Geckos)   9 161
Polychrotidae (Monkey Lizards)   1 8
Pygopodidae (Flap-footed Lizards)   7 47
Scincidae (Skinks)   157 1733
Shinisauridae (Crocodile Lizard)   1 1
Sphaerodactylidae (Least Geckos, etc.)   12 230
Teiidae (Greater Tejus)   18 176
Tropiduridae (Rough-tailed Iguanas)   8 141
Varanidae (Monitor Lizards)   1 83
Xantusiidae (Night Lizards)   3 35
Xenosauridae (Knob-scaled Lizards)   1 13
Families Genera Species
Snakes (Serpentes) 24 547 3956
Acrochordidae (Australasian File Snakes)   1 3
Aniliidae (South American Pipe Snake)   1 1
Anomalepididae (Neotropical Blind Snakes)   4 20
Anomochilidae (Dwarf Pipe Snakes)   1 3
Boidae (Typical Boas)   14 66
Bolyeriidae (Mascarene Boas)   1 1
Colubridae (Typical Snakes)   261 2049
Cylindrophiidae (Asian Pipe Snakes)   1 15
Elapidae (Cobras, Mambas, Sea Snakes, etc.)   56 393
Elapidae_1 (Cobras, Mambas, etc.)   46 321
Elapidae_2 (Sea Snakes)   10 72
Gerrhopilidae (Indo-Malayan Blind Snakes)   2 22
Homalopsidae (Australasian Mud Snakes)   28 54
Lamprophiidae (House Snakes, etc.)   67 337
Leptotyphlopidae (Thread Snakes)   14 145
Loxocemidae (Neotropical Sunbeam Snake)   1 1
Pareidae (Oriental Slug Eaters)   4 34
Pythonidae (Pythons)   9 43
Tropidophiidae (Dwarf Boas)   2 34
Typhlopidae (Typical Blind Snakes)   19 272
Uropeltidae (Shield-tailed Snakes)   8 61
Viperidae (Vipers)   45 374
Xenodermidae (Asian Litter Snakes)   5 23
Xenopeltidae (Asian Sunbeam Snakes)   1 2
Xenophidiidae (Spiny-jawed Snakes)   1 2
Xenotyphlopidae (Round-nosed Blind Snake)   1 1
Families Genera Species
Turtles (Testudines) 14 95 361
Carettochelyidae (Pig-nosed Turtle)   1 1
Chelidae (Austro-American Side-necked Turtles)   14 62
Cheloniidae (Hard-shelled Sea Turtles)   5 6
Chelydridae (American Snapping Turtles)   2 5
Dermatemydidae (Central American River Turtle)   1 1
Dermochelyidae (Leatherback Sea Turtle)   1 1
Emydidae (Western Pond Turtles)   12 53
Geoemydidae (Eastern Pond Turtles)   19 73
Kinosternidae (American Mud and Musk Turtles)   4 33
Pelomedusidae (African Side-necked Turtles)   2 27
Platysternidae (Big-headed Turtle)   1 1
Podocnemididae (Giant Side-necked Turtles)   3 8
Testudinidae (Tortoises)   17 56
Trionychidae (Softshell Turtles)   13 34