Chapinophis

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: Colubrinae
Genus: Chapinophis
Species (1): C. xanthocheilus
Name

Chapinophis Campbell & Smith, 1998: 209

Type species: Chapinophis xanthocheilus Campbell & Smith, 1998, by original designation.

References
Primary references

Campbell, J.A. & Smith, E.N. 1998. A new genus and species of Colubrid snake from the Sierra de las Minas of Guatemala. Herpetologica 54(2): 207–220. JSTOR Reference page.