Amphibia Gray, 1825 — Amphibians
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Anura Fischer von Waldheim, 1813 — Frogs
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Bufonidae
Gray, 1825 —
True Toads
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Hylidae
Rafinesque, 1815 —
Treefrogs and Allies
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Ranidae
Rafinesque, 1814 —
True Frogs
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Scaphiopodidae
Cope, 1865 —
North American Spadefoots
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Caudata Scopoli, 1777 — Salamanders
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Ambystomatidae
Gray, 1850 —
Mole Salamanders
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Reptilia Laurenti, 1768 — Reptiles
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Squamata (part) Oppel, 1811 — Snakes
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Colubridae
Oppel, 1811 —
Harmless Egg-laying Snakes
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Crotalidae
Oppel, 1811 —
Pit Vipers
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Dipsadidae
Bonaparte, 1838 —
Harmless Rear-Fanged Snakes
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Natricidae
Bonaparte, 1838 —
Harmless Egg-Retaining Snakes
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Squamata (part) Oppel, 1811 — Other Lizards
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Phrynosomatidae
Fitzinger, 1843 —
Sand and Spiny Lizards
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Testudines Batsch, 1788 — Turtles
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Chelydridae
Gray, 1870 —
Snapping Turtles
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Emydidae
Gray, 1825 —
Box and Basking Turtles
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