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Genus	Species
Agkistrodon	8
Atheris	10
Atropoides	2
Azemiops	2
Bitis	18
Bothriechis	19
Bothrocophias	6
Bothropoides	0
Bothrops	48
Calloselasma	1
Causus	6
Cerastes	3
Cerrophidion	5
Craspedocephalus	12
Crotalus	59
Daboia	5
Deinagkistrodon	1
Echis	13
Eristicophis	1
Garthius	1
Gloydius	34
Hypnale	3
Lachesis	4
Macrovipera	3
Metlapilcoatlus	5
Mixcoatlus	3
Montivipera	10
Ophryacus	2
Ovophis	12
Parias	0
Pelias	0
Popeia	0
Porthidium	8
Proatheris	1
Protobothrops	16
Pseudocerastes	3
Sistrurus	3
Thanatophis	0
Triceratolepidophis	0
Trimeresurus	52
Tropidolaemus	3
Vipera	24