Masticophis
genus of reptiles
Domain: Eukaryota • Regnum: Animalia • Phylum: Chordata • Subphylum: Vertebrata • Infraphylum: Gnathostomata • Cladus: Osteichthyes • Superclassis: Tetrapoda • Cladus: Amniota • Cladus: Reptilia • Ordo: Squamata • Subordo: Serpentes • Infraordo: Alethinophidia • Familia: Colubridae • Subfamilia: Colubrinae • Genus: Masticophis Baird & Girard, 1853
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