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 = endemic EX = extinct or assumed extinct
 Genus
Boa (Red-tailed Boas) |
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| Genus
Adelphicos (Central American Burrowing Snakes) |
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| Genus
Clelia (Northern Snake Eaters) |
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| Genus
Coluber (North American Racer) |
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| Genus
Dipsas (Neotropical Snail Eaters) |
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| Genus
Enulius (Middle American Long-tailed Snakes) |
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| Genus
Ficimia (Eastern Hook-nosed Snakes) |
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| Genus
Geophis (Central American Earth Snakes) |
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| Genus
Imantodes (American Blunt-headed Tree Snakes) |
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| Genus
Masticophis (North American Whip Snakes and Coachwhips) |
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| Genus
Ninia (Coffee Snakes) |
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| Genus
Oxybelis (Neotropical Vine Snakes) |
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Oxybelis koehleri
Guatemalan Vine Snake |
 Acevedo, Wilson, Cano & Vazquez-Almazan 2010 [as aeneus]
Campbell & Vannini 1989 [as aeneus]
Jadin, Blair, Orlofske, Jowers, Rivas, Vitt, Ray, Smith & Murphy 2020
Keiser 1974 [as aeneus]
Lee 1996 [as aeneus]
Villa, Wilson & Johnson 1988 [as aeneus]
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| Genus
Pituophis (Bullsnakes, Pine Snakes and Gopher Snakes) |
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| Genus
Sibon (Neotropical Snail Eaters) |
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| Genus
Storeria (North American Brown Snakes) |
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| Genus
Tantilla (American Centipede Snakes) |
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| Genus
Thamnophis (North American Garter Snakes and Ribbon Snakes) |
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| Genus
Xenodon (Northern Mock Lanceheads and South American Hognose Snakes) |
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| Family
Elapidae [part 1: terrestrial species] (Cobras, Mambas, etc.) |  |  |
| Family
Elapidae [part 2: marine species] (Sea Snakes) |  |  |
| Genus
Epictia (Neotropical Thread Snakes) |
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| Genus
Agkistrodon (American Copperheads, Cottonmouths, and Cantils) |
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