| Afghan tortoise | Testudo horsfieldii |
| African slender-snouted crocodile | Mecistops cataphractus |
| African spurred tortoise | Geochelone sulcata |
| Albany adder | Bitis albanica |
| Aldabra giant tortoise | Geochelone gigantea |
| Alligator snapping turtle | Macroclemys temminckii |
| American crocodile | Crocodylus acutus |
| Anegada ground iguana | Cyclura pinguis |
| Antiguan racer | Alsophis antiguae |
| Antsingy leaf chameleon | Brookesia perarmata |
| Arakan forest turtle | Heosemys depressa |
| Aran rock lizard | Iberolacerta aranica |
| Armadillo girdled lizard | Cordylus cataphractus |
| Aruba Island rattlesnake | Crotalus unicolor |
| Asian giant softshell turtle | Pelochelys bibroni |
| Asian tortoise | Manouria emys |
| Aurelio's rock lizard | Iberolacerta aurelioi |
| Bahamas rock iguana | Cyclura carinata |
| Batagur | Batagur baska |
| Belize crocodile | Crocodylus moreletii |
| Berlandier's tortoise | Gopherus berlandieri |
| Bermuda skink | Eumeces longirostris |
| Big-eyed mountain keelback | Pseudoxenodon macrops |
| Big-headed Amazon river turtle | Peltocephalus dumeriliana |
| Big-headed turtle | Platysternon megacephalum |
| Big-nosed chameleon | Calumma nasuta |
| Black-breasted leaf turtle | Geoemyda spengleri |
| Black caiman | Melanosuchus niger |
| Black marsh turtle | Siebenrockiella crassicollis |
| Brauer's burrowing skink | Janetaescincus braueri |
| Brothers Island tuatara | Sphenodon guntheri |
| Brown leaf chameleon | Brookesia superciliaris |
| Brygoo's chameleon | Brookesia brygooi |
| Burmese starred tortoise | Geochelone platynota |
| Cagle's map turtle | Graptemys caglei |
| Carpetane rock lizard | Iberolacerta cyreni |
| Cayman Island blue iguana | Cyclura lewisi |
| Cayman Islands ground iguana | Cyclura nubila |
| Chaco tortoise | Geochelone chilensis |
| Chameleon | Furcifer nicosiai |
| Chevron skink | Oligosoma homalonotum |
| Chinese alligator | Alligator sinensis |
| Chinese crocodile lizard | Shinisaurus crocodilurus |
| Chinese pond turtle | Chinemys reevesii |
| Chinese stripe-necked turtle | Ocadia sinensis |
| Chinese three-striped box turtle | Cuora trifasciata |
| Coachella Valley fringe-toed lizard | Uma inornata |
| Collared iguana | Oplurus cuvieri |
| Common box turtle | Terrapene carolina |
| Crowned river turtle | Hardella thurjii |