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
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
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