Gyalopion quadrangulare, the thornscrub hook-nosed snake or desert hook-nosed snake, is a species of non-venomous snake in the family Colubridae. The species is found in Arizona in the United States and Mexico.[2]

References

  1. ^ Hammerson, G.A.; Frost, D.R.; Gadsden, H. (2007). "Gyalopion quadrangulare". IUCN Red List of Threatened Species. 2007: e.T63818A12718380. doi:10.2305/IUCN.UK.2007.RLTS.T63818A12718380.en. Retrieved 19 May 2023.
  2. ^ Species Gyalopion quadrangulare at The Reptile Database . www.reptile-database.org.
Allikas: Https://en.wikipedia.org/wiki/Gyalopion_quadrangulare
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