Heterodon

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Noun1.Heterodon - a genus of small colubrid snakes containing the North American hognose snakesHeterodon - a genus of small colubrid snakes containing the North American hognose snakes
reptile genus - a genus of reptiles
Colubridae, family Colubridae - nonvenomous snakes; about two-thirds of all living species
hognose snake, puff adder, sand viper - harmless North American snake with upturned nose; may spread its head and neck or play dead when disturbed