How many reptile species are there in the World?
(as of December 31st, 2018)

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


Families Genera Species
Reptiles (Reptilia)   85   1224   11115
Families Genera Species
Worm Lizards (Amphisbaenia) 6 24 212
Amphisbaenidae (Typical Worm Lizards)   16 191
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 27
Alligatoridae (Alligators and Caimans)   4 8
Crocodylidae (Crocodiles)   3 17
Gavialidae (Gharials)   2 2
Families Genera Species
Tuatara (Rhynchocephalia) 1 1 1
Sphenodontidae (Tuatara)   1 1
Families Genera Species
Lizards (Sauria) 37 560 6704
Agamidae (Agamas and Dragons)   60 512
Alopoglossidae (Fold-tongued Spectacled Tejus)   2 23
Anguidae (Slowworms, etc.)   13 128
Anniellidae (North American Legless Lizards)   1 6
Carphodactylidae (Southern Padless Geckos)   7 30
Chamaeleonidae (Chameleons)   12 212
Cordylidae (Girdled Lizards)   10 67
Corytophanidae (Basilisks)   3 11
Crotaphytidae (North American Collared Lizards)   2 12
Dactyloidae (Anoles)   8 439
Dibamidae (Blind Skinks)   2 24
Diplodactylidae (Double-toed Geckos)   25 150
Eublepharidae (Eyelid Geckos)   6 37
Gekkonidae (Typical Geckos)   58 1243
Gerrhosauridae (Plated Lizards)   7 38
Gymnophthalmidae (Scaly-tongued Spectacled Tejus)   50 256
Helodermatidae (Beaded Lizards)   1 5
Hoplocercidae (Club-tailed Iguanas)   3 19
Iguanidae (Greater Iguanas)   9 45
Lacertidae (Typical Lizards)   43 345
Lanthanotidae (Earless Monitor Lizard)   1 1
Leiocephalidae (Curly-tailed Lizards)   1 24
Leiosauridae (Smooth Iguanas)   6 34
Liolaemidae (South American Lesser Iguanas)   3 320
Opluridae (Madagascar Iguanas)   2 8
Phrynosomatidae (North American Lesser Iguanas)   9 165
Phyllodactylidae (Leaf-toed Geckos)   9 153
Polychrotidae (Monkey Lizards)   1 8
Pygopodidae (Flap-footed Lizards)   7 46
Scincidae (Skinks)   155 1686
Shinisauridae (Crocodile Lizard)   1 1
Sphaerodactylidae (Least Geckos, etc.)   12 220
Teiidae (Greater Tejus)   18 174
Tropiduridae (Rough-tailed Iguanas)   8 134
Varanidae (Monitor Lizards)   1 80
Xantusiidae (Night Lizards)   3 35
Xenosauridae (Knob-scaled Lizards)   1 13
Families Genera Species
Snakes (Serpentes) 24 535 3815
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 65
Bolyeriidae (Mascarene Boas)   1 1
Colubridae (Typical Snakes)   254 1973
Cylindrophiidae (Asian Pipe Snakes)   1 14
Elapidae (Cobras, Mambas, Sea Snakes, etc.)   57 383
Elapidae_1 (Cobras, Mambas, etc.)   47 312
Elapidae_2 (Sea Snakes)   10 71
Gerrhopilidae (Indo-Malayan Blind Snakes)   2 22
Homalopsidae (Australasian Mud Snakes)   28 54
Lamprophiidae (House Snakes, etc.)   65 329
Leptotyphlopidae (Thread Snakes)   13 142
Loxocemidae (Neotropical Sunbeam Snake)   1 1
Pareidae (Oriental Slug Eaters)   3 21
Pythonidae (Pythons)   8 43
Tropidophiidae (Dwarf Boas)   2 33
Typhlopidae (Typical Blind Snakes)   18 267
Uropeltidae (Shield-tailed Snakes)   8 56
Viperidae (Vipers)   44 360
Xenodermidae (Asian Litter Snakes)   6 19
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 95 356
Carettochelyidae (Pig-nosed Turtle)   1 1
Chelidae (Austro-American Side-necked Turtles)   14 58
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 74
Kinosternidae (American Mud and Musk Turtles)   4 32
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 33