Gyalopion quadrangulare quadrangulare

Taxonavigation

Taxonavigation: Colubroidea

Superregnum: Eukaryota Cladus: Unikonta Cladus: Opisthokonta Cladus: Holozoa Regnum: Animalia Subregnum: Eumetazoa Cladus: Bilateria Cladus: Nephrozoa Superphylum: Deuterostomia Phylum: Chordata Subphylum: Vertebrata Infraphylum: Gnathostomata Megaclassis: Osteichthyes Cladus: Sarcopterygii Cladus: Rhipidistia Cladus: Tetrapodomorpha Cladus: Eotetrapodiformes Cladus: Elpistostegalia Superclassis: Tetrapoda Cladus: Reptiliomorpha Cladus: Amniota Classis: Reptilia Cladus: Eureptilia Cladus: Romeriida Subclassis: Diapsida Cladus: Sauria Infraclassis: Lepidosauromorpha Superordo: Lepidosauria Ordo: Squamata Cladus: Unidentata, Episquamata Cladus: Toxicofera Subordo: Serpentes Infraordo: Caenophidia Superfamilia: Colubroidea

Familia: Colubridae
Subfamilia: Colubrinae
Genus: Gyalopion
Species: Gyalopion quadrangulare
Subspecies: Gyalopion quadrangulare quadrangulare

Name

Gyalopion quadrangulare quadrangulare (Günther, 1893)

Type locality: USA (S Arizona).

Synonyms

• Ficimia quadrangularis Günther, 1893: 99
• Gyalopion quadrangularis Günther, 1893
• Gyalopion quadrangularis — Stebbins, 1985: 216

References

• Günther, A. C. L. G. 1885. Reptilia and Batrachia. Biologia Centrali-Américana. Taylor, & Francis, London, 326 pp. [reprint by the SSAR 1987].
• Stebbins, R.C. 1985. A Field Guide to Western Reptiles and Amphibians, 2nd ed. Houghton Mifflin, Boston.
• Collins J. T. 1997. Herpetological Circular 25: 1–40.
• Gyalopion quadrangulare at the New Reptile Database. Accessed on 13 sep 2008.

Vernacular names

English: Thornscrub Hooknose Snake