Sonora occipitalis

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Sonora occipitalis


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: Sonora
Species: Sonora occipitalis


Sonora occipitalis (Hallowell, 1854)

  • Holotype: USNM 8030.
  • Type locality: “Mohave Desert”.


  • Rhinostoma occipitale Hallowell, 1854: 95 [original combination]
  • Lamprosoma occipitaleHallowell, 1856: 311 [subsequent combination]
  • Chionactis occipitaleCope, 1860: 241 [subsequent combination]
  • Chionactis occipitulisCooper, 1870: 66 [subsequent combination]
  • Holasoma occipitaleMüller, 1882: 125 [subsequent combination]
  • Contia occipitalisGarman, 1884: 91 [subsequent combination]
  • Sonora occipitalisDenburgh & Slevin, 1913: 412 [subsequent combination]


  • Chionactis occipitalis talpina Klauber, 1951: 172 [synonymised by Wood, Fisher & Vandergast (2014: 10)]
    • Holotype: CAS 81364, adult ♂, collected by Joseph R. Slevin and Wallace Wood on 3 June 1947.
    • Type locality: “50 miles south of Goldfield on the highway to Beatty, in Nye County, Nevada”.
  • Chionactis saxatilis Funk, 1967: 180
    • Holotype: MCZ 77039, adult ♂, collected by R.S. Funk in 13 August 1961.
    • Type locality: “Gila Mountains, Yuma Co., Ariz., ca. 2.5 air miles northeast (in T. 10S.. R.20W) of Fortuna Mine at an elevation of ca. 2300 feet above sea level”.


Primary references[edit]

Additional references[edit]


Vernacular names[edit]

English: Western Shovel-nose Snake
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