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Find out what mammals, insects, fish, plants, etc. are endangered here. Use the selection box below to view full lists by group.

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The following is a list of Reptiles of concern. This list combines species from several endangered species lists. Using the total at the bottom of this page as an official count of endangered reptiles of the world is not recommended. For more information on what species are listed on this site, please visit our About Us page.

	Species Name	Scientific Name
1.	Abronia deppii	Abronia deppii
2.	Abronia martindelcampoi	Abronia martindelcampoi
3.	Adelaide Pigmy Blue-tongue Skink	Tiliqua adelaidensis
4.	Aeolian Wall Lizard	Podarcis raffonei
5.	Afghan Tortoise	Testudo horsfieldii
6.	African Slender-snouted Crocodile	Crocodylus cataphractus
7.	African Spurred Tortoise	Centrochelys sulcata
8.	Alabama Red-belly Turtle	Pseudemys alabamensis
9.	Alcatrazes Lancehead	Bothrops alcatraz
10.	Aldabra Giant Tortoise	Geochelone gigantea
11.	Allan's Lerista	Lerista allanae
12.	Alligator Snapping Turtle	Macrochelys temminckii
13.	Amami Takachiho Snake	Achalinus werneri
14.	American Crocodile	Crocodylus acutus
15.	Anegada Ground Iguana	Cyclura pinguis
16.	Angulated Tortoise	Geochelone yniphora
17.	Annam Leaf Turtle	Mauremys annamensis
18.	Antiguan Racer	Alsophis antiguae
19.	Antsingy Leaf Chameleon	Brookesia perarmata
20.	Apaporis River Caiman	Caiman crocodilus apaporiensis
21.	Aquatic Box Turtle	Terrapene coahuila
22.	Arakan Forest Turtle	Heosemys depressa
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23.	Aran Rock Lizard	Iberolacerta aranica
24.	Arizona Striped Whiptail	Aspidoscelis arizonae
25.	Armadillo Girdled Lizard	Cordylus cataphractus
26.	Aruba Island Rattlesnake	Crotalus unicolor
27.	Asian Giant Softshell Turtle	Pelochelys bibroni
28.	Asian Giant Tortoise	Manouria emys
29.	Asiatic Softshell Turtle	Amyda cartilaginea
30.	Assam Roofed Turtle	Pangshura sylhetensis
31.	Atlas Day Gecko	Quedenfeldtia trachyblepharus
32.	Atlas Dwarf Lizard	Lacerta andreanskyi
33.	Atlas Dwarf Viper	Vipera monticola
34.	Aurelio's Rock Lizard	Iberolacerta aurelioi
35.	Bahamas Rock Iguana	Cyclura carinata
36.	Bailey's Snake	Thermophis baileyi
37.	Baja California Legless Lizard	Anniella geronimensis
38.	Baja California Whiptail	Aspidoscelis labialis
39.	Balsas Armed Lizard	Ctenosaura clarki
40.	Banded Day Gecko	Phelsuma standingi
41.	Banded Toed Gecko	Saurodactylus fasciatus
42.	Barbados Racer	Liophis perfuscus
43.	Bardick Snake	Echiopsis curta
44.	Barker's Anole	Anolis barkeri
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45.	Barrington Land Iguana	Conolophus pallidus
46.	Be'er Sheva Fringe-fingered Lizard	Acanthodactylus beershebensis
47.	Beal's-eyed Turtle	Sacalia bealei
48.	Bedriaga's Fringe-fingered Lizard	Acanthodactylus bedriagai
49.	Bedriaga's Rock Lizard	Archaeolacerta bedriagae
50.	Bedriaga's Skink	Chalcides bedriagai
51.	Bengal Monitor	Varanus bengalensis
52.	Bengal Roof Turtle	Kachuga kachuga
53.	Berger's Cape Tortoise	Homopus bergeri
54.	Bermuda Rock Lizard	Eumeces longirostris
55.	Big Bend Slider	Trachemys gaigeae
56.	Big-headed Amazon River Turtle	Peltocephalus dumerilianus
57.	Big-headed Turtle	Platysternon megacephalum
58.	Black Caiman	Melanosuchus niger
59.	Black Marsh Turtle	Siebenrockiella crassicollis
60.	Black Racer	Hypsirhynchus ater
61.	Black Sea Viper	Vipera pontica
62.	Black Softshell Turtle	Trionyx nigricans
63.	Black-breasted Hill Turtle	Geoemyda spengleri
64.	Blackbelly Garter Snake	Thamnophis melanogaster
65.	Blanc's Fringe-toed Lizard	Acanthodactylus blanci
66.	Blanc's Sand Racer	Psammodromus blanci
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67.	Blue Mountain Water Skink	Eulamprus leuraensis
68.	Blunt-nosed Leopard Lizard	Gambelia silus
69.	Bog Turtle	Glyptemys muhlenbergii
70.	Bolson Tortoise	Gopherus flavomarginatus
71.	Borbour's Montane Pitviper	Cerrophidion barbouri
72.	Bornean River Turtle	Orlitia borneensis
73.	Brauer's Burrowing Skink	Janetaescincus braueri
74.	Brazilian Giant Tortoise	Geochelone denticulata
75.	Brazilian Sideneck Turtle	Phrynops hogei
76.	Brazilian Snake-necked Turtle	Hydromedusa maximiliani
77.	Brazos River Watersnake	Nerodia harteri
78.	Breedlove's Anole	Anolis breedlovei
79.	Breyer's Long-tailed Seps	Tetradactylus breyeri
80.	Brigalow Scaly-foot	Paradelma orientalis
81.	Broad-headed Snake	Hoplocephalus bungaroides
82.	Broad-snouted Caiman	Caiman latirostris
83.	Bronzeback Snake-lizard	Ophidiocephalus taeniatus
84.	Brook Snake	Pseudoxyrhopus kely
85.	Brother's Island Tuatara	Sphenodon guntheri
86.	Burmese Peacock Softshell Turtle	Nilssonia formosa
87.	Burmese Peacock Turtle	Morenia ocellata
88.	Burmese Roofed Turtle	Kachuga trivittata
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89.	Burmese Starred Tortoise	Geochelone platynota
90.	Cagle's Map Turtle	Graptemys caglei
91.	Campeche Spiny-tailed Iguana	Ctenosaura alfredschmidti
92.	Cantor's Giant Softshell	Pelochelys cantorii
93.	Carbonell's Wall Lizard	Podarcis carbonelli
94.	Carpetane Rock Lizard	Iberolacerta cyreni
95.	Carvalho's Slider	Trachemys adiutrix
96.	Cat Island Turtle	Trachemys terrapen
97.	Caucasian Viper	Vipera kaznakovi
98.	Cave Tropical Night Lizard	Lepidophyma micropholis
99.	Cayman Island Ground Iguana	Cyclura lewisi
100.	Cayman Islands Ground Iguana	Cyclura nubila
101.	Celebes Tortoise	Indotestudo forstenii
102.	Central American River Turtle	Dermatemys mawii
103.	Central American Snapping Turtle	Chelydra rossignoni
104.	Ceron's Glass Lizard	Ophisaurus ceroni
105.	Chaco Side-necked Turtle	Acanthochelys pallidipectoris
106.	Chaco Tortoise	Chelonoidis chilensis
107.	Chalcides simonyi	Chalcides simonyi
108.	Chaney's Spiny Lizard	Sceloporus chaneyi
109.	Chevron Skink	Oligosoma homalonotum
110.	Chiapan Pigmy Anole	Anolis pygmaeus
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111.	Chihuahuan Fringe-toed Lizard	Uma paraphygas
112.	Chinese Alligator	Alligator sinensis
113.	Chinese Broad-headed Pond Turtle	Chinemys megalocephala
114.	Chinese Soft-shelled Turtle	Pelodiscus sinensis
115.	Chinese Stripe-necked Turtle	Ocadia sinensis
116.	Chinese Three-keeled Pond Turtle	Chinemys reevesii
117.	Chinese Three-striped Box Turtle	Cuora trifasciata
118.	Chiszar's Arboreal Alligator Lizard	Abronia chiszari
119.	Christmas Island Blind Snake	Ramphotyphlops exocoeti
120.	Clarion Island Whip Snake	Masticophis anthonyi
121.	Cloud Forest Parrot Snake	Leptophis modestus
122.	Coachella Valley Fringe-toed Lizard	Uma inornata
123.	Coahuila Collared Lizard	Crotaphytus antiquus
124.	Cochin Forest Cane Turtle	Vijayachelys silvatica
125.	Collared Delma	Delma torquata
126.	Colorado Checkered Whiptail	Aspidoscelis neotesselata
127.	Colorado Desert Fringe-toed Lizard	Uma notata
128.	Common Tortoise	Testudo graeca
129.	Concho Water Snake	Nerodia paucimaculata
130.	Cope's Mountain Meadow Snake	Adelophis copei
131.	Crevice Tortoise	Malacochersus tornieri
132.	Crocker's Sea Snake	Laticauda crockeri
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133.	Crowned River Turtle	Hardella thurjii
134.	Cuatro Cienegas Slider	Trachemys taylori
135.	Cuatro Cienegas Softshell Turtle	Apalone spinifera atra
136.	Cuban Crocodile	Crocodylus rhombifer
137.	Culebra Island Giant Anole	Anolis roosevelti
138.	Cyclades Blunt-nosed Viper	Macrovipera schweizeri
139.	Cyprus Whip Snake	Hierophis cypriensis
140.	Cyrtopodion amictopholis	Cyrtopodion amictopholis
141.	Dahl's Toad-headed Turtle	Phrynops dahli
142.	Darevsky's Viper	Vipera darevskii
143.	Dary's Burrowing Snake	Adelphicos daryi
144.	Desert Monitor	Varanus griseus
145.	Desert Tortoise	Gopherus agassizii
146.	Desert Viper	Daboia deserti
147.	Dixon's Ground Snake	Liophis atraventer
148.	Doumergue's Fringe-fingered Lizard	Acanthodactylus spinicauda
149.	Doumergue's Skink	Chalcides parallelus
150.	Dumeril's Boa	Acrantophis dumerili
151.	Dunes Sagebrush Lizard	Sceloporus arenicolus
152.	Dunmall's Snake	Furina dunmalli
153.	Dunn's Mud Turtle	Kinosternon dunni
154.	Dwarf Bronze Gecko	Ailuronyx tachyscopaeus
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155.	Dwarf Crag Lizard	Pseudocordylus nebulosus
156.	Dwarf Crocodile	Osteolaemus tetraspis
157.	Eastern Fox Snake	Pantherophis gloydi
158.	Ebner's Skink	Chalcides ebneri
159.	Ebony Mastigure	Uromastyx alfredschmidti
160.	Egyptian Tortoise	Testudo kleinmanni
161.	El Muerto Side-blotched Lizard	Uta lowei
162.	Elongated Tortoise	Indotestudo elongata
163.	Enchanted Side-blotched Lizard	Uta encantadae
164.	Eumeces dugesi	Eumeces dugesi
165.	Euphrates Softshell Turtle	Rafetus euphraticus
166.	European Leaf-toed Gecko	Euleptes europaea
167.	False Smooth Snake	Macroprotodon brevis
168.	Fiji Crested Iguana	Brachylophus vitiensis
169.	Fiji Snake	Ogmodon vitianus
170.	Fijji Banded Iguana	Brachylophus fasciatus
171.	File-tailed Ground Snake	Sonora aemula
172.	Fisk's House Snake	Lamprophis fiskii
173.	Fitzroy River Turtle	Rheodytes leukops
174.	Five-keeled Spiny-tailed Iguana	Ctenosaura quinquecariniata
175.	Flat-tailed Horned Lizard	Phrynosoma mcallii
176.	Flat-tailed Tortoise	Pyxis planicauda
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177.	Flathead Knob-Scaled Lizard	Xenosaurus platyceps
178.	Flattened Musk Turtle	Sternotherus depressus
179.	Florida Sand Skink	Neoseps reynoldsi
180.	Florida Scrub Lizard	Sceloporus woodi
181.	Fly River Turtle	Carettochelys insculpta
182.	Four-eyed Turtle	Sacalia quadriocellata
183.	Fraas' Lizard	Lacerta fraasii
184.	Fringe-toed Sand Lizard	Uma exsul
185.	Furrowed Wood Turtle	Rhinoclemmys areolata
186.	Gaige's Tropical Night Lizard	Lepidophyma gaigeae
187.	Galapagos Land Iguana	Conolophus subcristatus
188.	Galapagos Marine Iguana	Amblyrhynchus cristatus
189.	Galapagos Tortoise	Geochelone elephantopus
190.	Ganges Soft-shelled Turtle	Aspideretes gangeticus
191.	Gavial	Gavialis gangeticus
192.	Geometric Tortoise	Psammobates geometricus
193.	Giant Asian Pond Turtle	Heosemys grandis
194.	Giant Bronze Gecko	Ailuronyx trachygaster
195.	Giant Garter Snake	Thamnophis gigas
196.	Giant Girdled Lizard	Cordylus giganteus
197.	Giant Hispaniolan Galliwasp	Celestus anelpistus
198.	Giant Hispaniolan Galliwasp	Celestus warreni
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199.	Giant Hispaniolan Galliwasp	Celestus rozellae
200.	Gila Monster	Heloderma suspectum
201.	Golden Lancehead	Bothrops insularis
202.	Goldman's Bunchgrass Lizard	Sceloporus goldmani
203.	Gopher Tortoise	Gopherus polyphemus
204.	Grand Cayman Ground Iguana	Cyclura nubila lewisi
205.	Grand Skink	Oligosoma grande
206.	Gray's Monitor Lizard	Varanus olivaceus
207.	Gray-checkered Whiptail	Aspidoscelis dixoni
208.	Great Desert Skink	Egernia kintorei
209.	Greek Algyroides	Algyroides moreoticus
210.	Greek Rock Lizard	Lacerta graeca
211.	Green Psammodromus	Psammodromus microdactylus
212.	Green Sea Turtle	Chelonia mydas
213.	Guatemalan Spiny-tailed Iguana	Ctenosaura palearis
214.	Gunther's Cylindrical Skink	Chalcides guentheri
215.	Gunther's Dwarf Burrowing Skink	Scelotes guentheri
216.	Haitian Slider	Trachemys decorata
217.	Hamelin Ctenotus	Ctenotus zastictus
218.	Hardy's Hooknose Snake	Ficimia hardyi
219.	Hawksbill Sea Turtle	Eretmochelys imbricata
220.	Herrera's Alligator Lizard	Barisia herrerae
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221.	Herrera's Mud Turtle	Kinosternon herrerai
222.	Hidalgo Anole	Anolis naufragus
223.	Hispaniolan Ground Iguana	Cyclura ricordi
224.	Home's Hinge-back Tortoise	Kinixys homeana
225.	Honduran Paleate Spiny-tailed Iguana	Ctenosaura melanosterna
226.	Hoogstraal's Cat Snake	Telescopus hoogstraali
227.	Horvath's Rock Lizard	Iberolacerta horvathi
228.	Iberian Emerald Lizard	Lacerta schreiberi
229.	Iberian Rock Lizard	Iberolacerta monticola
230.	Ibiza Wall Lizard	Podarcis pityusensis
231.	Impressed Tortoise	Manouria impressa
232.	Inagua Island Turtle	Trachemys stejnegeri malonei
233.	Indian Eyed Turtle	Morenia petersi
234.	Indian Python	Python molurus molurus
235.	Indian Sawback Turtle	Kachuga tecta tecta
236.	Indian Softshell Turtle	Trionyx gangeticus
237.	Indochinese Box Turtle	Cuora galbinifrons
238.	Jagged-shelled Turtle	Pyxidea mouhotii
239.	Jamaican Boa	Epicrates subflavus
240.	Jamaican Iguana	Cyclura collei
241.	Jordanian Fringe-fingered Lizard	Acanthodactylus ahmaddisii
242.	Kasner's Dwarf Burrowing Skink	Scelotes kasneri
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243.	Kemp's Ridley Sea Turtle	Lepidochelys kempii
244.	Kikuzato's Brook Snake	Opisthotropis kikuzatoi
245.	Kirtland's Snake	Clonophis kirtlandii
246.	Komodo Island Monitor	Varanus komodoensis
247.	Kuroiwa's Ground Gecko	Goniurosaurus kuroiwae
248.	La Gomera Giant Lizard	Gallotia bravoana
249.	La Palma Giant Lizard	Gallotia auaritae
250.	Labord's Chameleon	Furcifer labordi
251.	Lacepede's Ground Snake	Liophis cursor
252.	Lacerta clarkorum	Lacerta clarkorum
253.	Lacerta kulzeri	Lacerta kulzeri
254.	Lake Cronin Snake	Echiopsis atriceps
255.	Lancelin Island Skink	Ctenotus lancelini
256.	Lanza's Skink	Chalcides lanzai
257.	Lar Valley Viper	Vipera latifii
258.	Large-headed Water Snake	Natrix megalocephala
259.	Largescale Spiny Lizard	Sceloporus megalepidurus
260.	Lataste's Viper	Vipera latastei
261.	Leaf-nosed Lizard	Ceratophora tennentii
262.	Leatherback Sea Turtle	Dermochelys coriacea
263.	Lebanon Viper	Montivipera bornmuelleri
264.	Leeward Island Racer	Alsophis rijersmai
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265.	Leith's Softshell Turtle	Aspideretes leithii
266.	Leopard Fringe-fingered Lizard	Acanthodactylus pardalis
267.	Lesser Antillean Iguana	Iguana delicatissima
268.	Lesser Chameleon	Furcifer minor
269.	Lesser Night Gecko	Nactus coindemirensis
270.	Lilford's Wall Lizard	Podarcis lilfordi
271.	Liolaemus huacahuasicus	Liolaemus huacahuasicus
272.	Liolaemus lutzae	Liolaemus lutzae
273.	Liolaemus occipitalis	Liolaemus occipitalis
274.	Liolaemus rabinoi	Liolaemus rabinoi
275.	Lipetz's Tropical Night Lizard	Lepidophyma lipetzi
276.	Lister's Gecko	Lepidodactylus listeri
277.	Little White Whiptail	Aspidoscelis gypsi
278.	Loggerhead Sea Turtle	Caretta caretta
279.	Lomi's Blind Legless Skink	Typhlosaurus lomii
280.	Long-legged Worm-skink	Anomalopus mackayi
281.	Longtail Rattlesnake	Crotalus stejnegeri
282.	Lord Howe Island Skink	Cyclodina lichenigera
283.	Lord Howe Island Southern Gecko	Christinus guentheri
284.	Louisiana Pine Snake	Pituophis ruthveni
285.	Macgregor's Skink	Cyclodina macgregori
286.	Madagascar Big-headed Turtle	Erymnochelys madagascariensis
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287.	Madagascar Boa	Acrantophis madagascariensis
288.	Madagascar Day Gecko	Phelsuma antanosy
289.	Madagascar Forest Chameleon	Furcifer campani
290.	Madagascar Radiated Tortoise	Geochelone radiata
291.	Madagascar Tree Boa	Sanzinia madagascariensis
292.	Malayan Flat-shelled Turtle	Notochelys platynota
293.	Malayan Snail-eating Turtle	Malayemys subtrijuga
294.	Mallee Worm-lizard	Aprasia aurita
295.	Mangshan Pitviper	Protobothrops mangshanensis
296.	Manuel's Skink	Chalcides manueli
297.	Marcella's Graceful Brown Snake	Rhadinaea marcellae
298.	Maria Island Ground Lizard	Cnemidophorus vanzoi
299.	Maria Island Snake	Liophis ornatus
300.	Mary River Turtle	Elusor macrurus
301.	Matuda's Arboreal Alligator Lizard	Abronia matudai
302.	McCord's Box Turtle	Cuora mccordi
303.	Mclachlan's Girdled Lizard	Cordylus mclachlani
304.	Meadow Viper	Vipera ursinii
305.	Methuen's Dwarf Gecko	Lygodactylus methueni
306.	Mexican Black-tailed Pit Viper	Ophryacus melanurus
307.	Mexican Ground Pit Viper	Agkistrodon bilineatus
308.	Mexican Horned Pitviper	Ophryacus undulatus
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309.	Mexican Spotted Terrapin	Rhinoclemmys rubida
310.	Mexican Yellow-bellied Brown Snake	Storeria hidalgoensis
311.	Miles Wall Lizard	Podarcis milensis
312.	Mixtecan Arboreal Alligator Lizard	Abronia mixteca
313.	Mona Blind Snake	Typhlops monensis
314.	Monito Gecko	Sphaerodactylus micropithecus
315.	Monte Cristo Arboreal Alligator Lizard	Abronia montecristoi
316.	Montserrat Galliwasp	Diploglossus montisserrati
317.	Moorish Viper	Daboia mauritanica
318.	Morelet's Crocodile	Crocodylus moreletii
319.	Moroccan Three-toed Skink	Chalcides pseudostriatus
320.	Mosor Rock Lizard	Lacerta mosorensis
321.	Moss-backed Turtle	Mauremys mutica
322.	Mount Bulgar Viper	Vipera bulgardaghica
323.	Mount Cooper Striped Lerista	Lerista vittata
324.	Mount Zempoaltepec Alligator Lizard	Abronia fuscolabialis
325.	Mountain Skink	Chalcides montanus
326.	Mountain Viper	Vipera albizona
327.	Mugger Crocodile	Crocodylus palustris
328.	Namaqua Dwarf Adder	Bitis schneideri
329.	Namoi River Snapping Turtle	Elseya belli
330.	Narrow-bridged Mud Turtle	Kinosternon angustipons
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331.	Narrow-headed Softshell Turtle	Chitra indica
332.	Negev Tortoise	Testudo werneri
333.	Newman's Knob-Scaled Lizard	Xenosaurus newmanorum
334.	Northern Arboreal Alligator Lizard	Abronia taeniata
335.	Northern Bahamian Rock Iguana	Cyclura cychlura
336.	Northern Chiapas Anole	Anolis hobartsmithi
337.	Northern River Terrapin	Batagur baska
338.	Nuevo Leon Graceful Brown Snake	Rhadinaea montana
339.	Oaxacan Arboreal Alligator Lizard	Abronia oaxacae
340.	Oaxacan Coral Snake	Micrurus ephippifer
341.	Oaxacan Dwarf Boa	Exiliboa placata
342.	Oaxacan Spiny-tailed Iguana	Ctenosaura oaxacana
343.	Ocellated Lizard	Timon lepidus
344.	Olive Ridley Sea Turtle	Lepidochelys olivacea
345.	Orinoco Crocodile	Crocodylus intermedius
346.	Ornamental Snake	Denisonia maculata
347.	Ornate Slider	Trachemys ornata
348.	Ornate Spiny Lizard	Sceloporus ornatus
349.	Otago Skink	Oligosoma otagense
350.	Pacific Pond Turtle	Actinemys marmorata
351.	Painted Batagur	Callagur borneoensis
352.	Pan's Box Turtle	Cuora pani
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353.	Panamint Alligator Lizard	Elgaria panamintina
354.	Paraguanan Ground Gecko	Lepidoblepharis montecanoensis
355.	Parker's Snake-necked Turtle	Chelodina parkeri
356.	Peacock Softshell Turtle	Nilssonia hurum
357.	Pedra Branca Skink	Niveoscincus palfreymani
358.	Peloponnese Slow Worm	Anguis cephalonnica
359.	Pena de Francia Rock Lizard	Iberolacerta martinezricai
360.	Pernatty Knob-tail	Nephrurus deleani
361.	Philippine Crocodile	Crocodylus mindorensis
362.	Philippine Pond Turtle	Siebenrockiella leytensis
363.	Philochortus zolii	Philochortus zolii
364.	Piraja's Lancehead	Bothrops pirajai
365.	Plain Mountain Adder	Bitis inornata
366.	Plymouth Red-bellied Turtle	Pseudemys rubriventris bangsi
367.	Potosi Centipede Snake	Tantilla shawi
368.	Pritchard's Snake-necked Turtle	Chelodina pritchardi
369.	Puerto Rican Boa	Epicrates inornatus
370.	Pygmy Alligator Lizard	Gerrhonotus parvus
371.	Pygmy Copperhead	Austrelaps labialis
372.	Pyrenean Rock Lizard	Iberolacerta bonnali
373.	Queretaran Desert Lizard	Sceloporus exsul
374.	Ramsay's Python	Aspidites ramsayi
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375.	Red-bellied Earth Runner	Chersodromus rubriventris
376.	Red-bellied Racer	Alsophis rufiventris
377.	Red-headed Amazon River Turtle	Podocnemis erythrocephala
378.	Red-necked Pond Turtle	Chinemys nigricans
379.	Reticulate Collared Lizard	Crotaphytus reticulatus
380.	Rhadinaea fulvivittis	Rhadinaea fulvivittis
381.	Rhinoceros Iguana	Cyclura cornuta
382.	Rim Rock Crowned Snake	Tantilla oolitica
383.	Ringed Sawback	Graptemys oculifera
384.	Rio Magdalena River Turtle	Podocnemis lewyana
385.	Roatan Spiny-tailed Iguana	Ctenosaura oedirhina
386.	Robust Skink	Cyclodina alani
387.	Rodeck's Whiptail	Aspidoscelis rodecki
388.	Rodrigues Day Gecko	Phelsuma edwardnewtoni
389.	Roque Chico de Salmor Giant Lizard	Gallotia simonyi
390.	Roti Island Snake-necked Turtle	Chelodina mccordi
391.	Roughneck Alligator Lizard	Barisia rudicollis
392.	Round Island Burrowing Boa	Bolyeria multocarinata
393.	Round Island Casarea Boa	Casarea dussumieri
394.	Round Island Day Gecko	Phelsuma guentheri
395.	Round Island Skink	Leiolopisma telfairii
396.	Rowley's Palm Pit Viper	Bothriechis rowleyi
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397.	Royal Yarrow's Spiny Lizard	Sceloporus oberon
398.	Ruthvens Kingsnake	Lampropeltis ruthveni
399.	Ryukyu Black-breasted Leaf Turtle	Geoemyda japonica
400.	Saltwater Crocodile	Crocodylus porosus
401.	San Esteban Island Chuckwalla	Sauromalus varius
402.	San Francisco Garter Snake	Thamnophis sirtalis tetrataenia
403.	San Lucan Leaf-toed Gecko	Phyllodactylus unctus
404.	San Pedro Martir Side-blotched Lizard	Uta palmeri
405.	San Pedro Martir Whiptail	Aspidoscelis martyris
406.	Sandstone Night Lizard	Xantusia gracilis
407.	Santa Catalina Island Rattlesnake	Crotalus catalinensis
408.	Santa Catalina Island Whiptail	Aspidoscelis catalinensis
409.	Savigny's Agama	Trapelus savignii
410.	Savigny's Fringe-fingered Lizard	Acanthodactylus savignyi
411.	Schreiber's Fringe-fingered Lizard	Acanthodactylus schreiberi
412.	Scree Skink	Oligosoma waimatense
413.	Serpent Island Gecko	Nactus serpensinsula
414.	Setaro's Dwarf Chameleon	Bradypodion setaroi
415.	Seychelles House Snake	Lamprophis geometricus
416.	Seychelles Wolf Snake	Lycognathophis seychellensis
417.	Shanghai Soft-shell Turtle	Rafetus swinhoei
418.	Short-necked Turtle	Pseudemydura umbrina
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419.	Short-tailed Snake	Stilosoma extenuatum
420.	Siamese Crocodile	Crocodylus siamensis
421.	Sierra Juarez Alligator Lizard	Mesaspis juarezi
422.	Six-tubercled Amazon River Turtle	Podocnemis sextuberculata
423.	Skyros Wall Lizard	Podarcis gaigeae
424.	Small Three-toed Skink	Chalcides minutus
425.	Small-scaled Skink	Oligosoma microlepis
426.	Smith's Dwarf Chamaeleon	Bradypodion taeniabronchum
427.	Sonora Mud Turtle	Kinosternon sonoriense
428.	South American Red-lined Turtle	Trachemys scripta callirostris
429.	South Asian Box Turtle	Cuora amboinensis
430.	Southern Hog-nosed Snake	Heterodon simus
431.	Southern New Guinea Snapping Turtle	Elseya branderhorstii
432.	Spanish Algyroides	Algyroides marchi
433.	Spatula-toothed Snake	Iguanognathus werneri
434.	Spider Tortoise	Pyxis arachnoides
435.	Spineless Forest Lizard	Calotes liocephalus
436.	Spiny Terrapin	Heosemys spinosa
437.	Spot-tailed Earless Lizard	Holbrookia lacerata
438.	Spotted Pond Turtle	Geoclemys hamiltonii
439.	Spotted Spiny Lizard	Sceloporus maculosus
440.	Spotted Turtle	Clemmys guttata
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441.	St. Croix Ground Lizard	Ameiva polops
442.	St. Vincent Blacksnake	Chironius vincenti
443.	Stephen's Island Gecko	Hoplodactylus stephensi
444.	Striped Legless Lizard	Delma impar
445.	Striped Narrow-headed Softshell Turtle	Chitra chitra
446.	Striped Skink	Oligosoma striatum
447.	Striped Tailed Delma	Delma labialis
448.	Sulawesi Forest Turtle	Leucocephalon yuwonoi
449.	Swollen-nosed Side-blotched Lizard	Uta tumidarostra
450.	Tamaulipan Montane Garter Snake	Thamnophis mendax
451.	Tancitaran Dusky Rattlesnake	Crotalus pusillus
452.	Tantalophis discolor	Tantalophis discolor
453.	Tartaruga	Podocnemis expansa
454.	Tenerife Speckled Lizard	Gallotia intermedia
455.	Terrestrial Arboreal Alligator Lizard	Abronia graminea
456.	Thamnophis scaliger	Thamnophis scaliger
457.	Three-keeled Asian Turtle	Melanochelys tricarinata
458.	Three-striped Roof Turtle	Kachuga dhongoka
459.	Tiger Chameleon	Calumma tigris
460.	Todos Santos Island Kingsnake	Lampropeltis herrerae
461.	Tomistoma	Tomistoma schlegelii
462.	Tracaja	Podocnemis unifilis
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463.	Travancore Tortoise	Indotestudo travancorica
464.	Tropical Forest Snake	Calamodontophis sp. nov.
465.	Tropical Forest Snake	Calamodontophis paucidens
466.	Tuatara	Sphenodon punctatus
467.	Tunisian fringe-fingered lizard	Acanthodactylus mechriguensis
468.	Turkana Mud Turtle	Pelusios broadleyi
469.	Tuxtlan Earth Snake	Geophis juliai
470.	Twin-spotted Tolucan Ground Snake	Conopsis amphisticha
471.	Two-fingered Skink	Chalcides mauritanicus
472.	Urosaurus auriculatus	Urosaurus auriculatus
473.	Urosaurus clarionensis	Urosaurus clarionensis
474.	Utila Spiny-tailed Iguana	Ctenosaura bakeri
475.	Vesey-fitzgerald's Burrowing Skink	Janetaescincus veseyfitzgeraldi
476.	Vipera dinniki	Vipera dinniki
477.	Virgin Islands Tree Boa	Epicrates monensis granti
478.	Wagner's Viper	Vipera wagneri
479.	Watling Island Iguana	Cyclura rileyi
480.	Wattle-necked Softshell Turtle	Palea steindachneri
481.	Whitaker's Skink	Cyclodina whitakeri
482.	Wiegmann's Tree Lizard	Anisolepis undulatus
483.	Wood Turtle	Glyptemys insculpta
484.	Woodbush Legless Skink	Acontophiops lineatus
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485.	Wright's Skink	Trachylepis wrightii
486.	Xenosaurus grandis	Xenosaurus grandis
487.	Yaqui Slider	Trachemys yaquia
488.	Yarrow's Blue-spotted Spiny Lizard	Sceloporus cyanostictus
489.	Yellow Blotched Sawback	Graptemys flavimaculata
490.	Yellow Monitor	Varanus flavescens
491.	Yellow-Blotched Palm Pit Viper	Bothriechis aurifer
492.	Yellow-headed Box Turtle	Cuora aurocapitata
493.	Yellow-headed Temple Turtle	Heosemys annandalii
494.	Yellow-Lined Centipede Snake	Tantilla flavilineata
495.	Yellow-margined Box Turtle	Cuora flavomarginata
496.	Yellowback Spiny-tailed Iguana	Ctenosaura flavidorsalis
497.	Yinnietharra Rock Dragon	Ctenophorus yinnietharra
498.	Yucatan Spiny-tailed Iguana	Ctenosaura defensor
499.	Yuman Desert Fringe-toed Lizard	Uma rufopunctata
500.	Zhou's Box Turtle	Cuora zhoui
501.	Zulia Toad Headed Sideneck	Phrynops zuliae