Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Cladus: Craniata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Classis: Reptilia
Cladus: Eureptilia
Cladus: Romeriida
Subclassis: Diapsida
Cladus: Sauria
Infraclassis: Lepidosauromorpha
Superordo: Lepidosauria
Ordo: Squamata
Subordo: Serpentes
Infraordo: Caenophidia
Superfamilia: Colubroidea
Familia: Colubridae
Subfamilia: Natricinae
Tribus: Thamnophiini
Genera: Adelophis - Clonophis - Nerodia - Regina - Seminatrix - Storeria - Thamnophis - Tropidoclonion - Virginia
Reference
References
Alfaro, M.E., & Arnold, S.J. 2001. Molecular Systematics and Evolution of Regina and the Thamnophiine Snakes. Molecular Phylogenetics and Evolution Vol. 21, No. 3, December, pp. 408–423, 2001.[1]
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