Reptilia - Ophidia - Colubridae

Parent taxon: Colubrinae according to D. Parmley and J. A. Holman 1995

Sister taxa: Ameiseophis, Arizona, Cemophora, Chilomeniscus, Coluber, Coronella, Dakotaophis, Drymarchon, Drymobius, Elaphe, Ficimia, Floridaophis, Gyalopion, Lampropeltis, Liochlorophis, Masticophis, Miocoluber, Opheodrys, Oxybelis, Paracoluber, Phyllorhynchus, Pituophis, Rhinocheilus, Salvadora, Sonora, Stilosoma, Tantilla, Telescopus, Texasophis, Trimorphodon, Zelceophis

Subtaxa: Nebraskophis skinneri

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Ecology: ground dwelling carnivore