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NATURAL HISTORY · CATALOGUE RECORD

Bullsnake [sayi]

Pituophis catenifer (Blainville, 1835)

Source-backed taxonomic record

Accepted species in Catalogue of Life’s 11 September 2026 base release. This preserves the source classification and available supporting data; it is not a completed species monograph.

Identity & source status

Scientific name
Pituophis catenifer (Blainville, 1835)
Name authority
(Blainville, 1835)
Common name
Bullsnake [sayi]
Rank
species
Accepted status
accepted
Kingdom
Animalia
Phylum
Chordata
Class
Reptilia
Order
Squamata
Family
Colubridae
Genus
Pituophis
Extinction status
Not supplied by this source

Classification family tree

Nested taxonomic groups from the source. This is not a direct-ancestor chain, a dated evolutionary tree or a phylogenetic reconstruction.

  1. domainEukaryota (Chatton, 1925) Whittaker & Margulis, 1978
  2. kingdomAnimalia
  3. phylumChordata
  4. subphylumVertebrata
  5. infraphylumGnathostomata
  6. parvphylumOsteichthyes
  7. megaclassTetrapoda
  8. classReptilia Laurenti, 1768
  9. orderSquamata Oppel, 1811
  10. suborderSerpentes Linnaeus, 1758
  11. infraorderAlethinophidia Nopcsa, 1923
  12. familyColubridae
  13. subfamilyColubrinae
  14. genusPituophis
  15. speciesPituophis catenifer (Blainville, 1835)

Close classified relatives

These entries share the source’s genus, Pituophis. They are not necessarily the closest relatives established by molecular evidence.

SpeciesClassificationSource status
Louisiana Pine SnakePituophis ruthveni Stull, 1929ColubridaeChordataAccepted speciesExtinction status not supplied
Cape Gopher SnakePituophis vertebralis (Blainville, 1835)ColubridaeChordataAccepted speciesExtinction status not supplied
Mexican Bull SnakePituophis deppei (Duméril, 1853)ColubridaeChordataAccepted speciesExtinction status not supplied
Cincuate Bull SnakePituophis lineaticollis (Cope, 1861)ColubridaeChordataAccepted speciesExtinction status not supplied
Eastern Pine SnakePituophis melanoleucus (Daudin, 1803)ColubridaeChordataAccepted speciesExtinction status not supplied

Browse 1,632 records assigned to Colubridae.

Names & synonyms

Names explicitly linked to this accepted taxon in the source. Synonymy can change with revision.

Recorded nameSource status
Elaphis reticulatus Duméril, Bibron & Duméril, 1854 Duméril, Bibron & Duméril, 1854synonym
Pituophis mexicanus Duméril, Bibron & Duméril, 1854 Duméril, Bibron & Duméril, 1854synonym
Coluber sayi Schlegel, 1837 Schlegel, 1837synonym
Pituophis catenifer coronalis Klauber, 1946 Klauber, 1946synonym
Pityophis affinis Hallowell, 1852 Hallowell, 1852synonym
Coluber sayi Dekay, 1842 Dekay, 1842synonym
Pituophis wilkesii Baird & Girard, 1853 Baird & Girard, 1853synonym
Coluber catenifer Blainville, 1835 Blainville, 1835synonym
Pituophis annectens Baird & Girard, 1853 Baird & Girard, 1853synonym
Pituophis mcclellanii Baird & Girard, 1853 Baird & Girard, 1853synonym

Documented distribution

Source distribution statements, not a complete range map. A listed locality is not necessarily a place of origin.

Canada (British Columbia, Alberta, Saskatchewan),

Source literature & publication evidence

References attached to this source record, including nomenclatural citations where supplied. This is a selected bibliography; abbreviated citations remain in the source’s form.

  1. https://reptile-database.reptarium.cz/species?genus=Pituophis&species=catenifer Source fields: Taxon.tsv dwc:namePublishedIn, Taxon.tsv dcterms:references

Origins, evidence & remaining research

Name authority and publication references document nomenclature where the source supplies it. They do not establish evolutionary origins or the earliest fossil occurrence.

Specimen-level evidence, morphology, ecological research, phylogenetic studies, a comprehensive bibliography and a located literary passage have not yet been compiled for this record. A suitable sourced image remains to be added.

Dataset citation & attribution

This exact taxon in ChecklistBank · Catalogue of Life 2026-09-11

Catalogue of Life 2026-09-11; dataset 316321; doi:10.48580/dgz5n. https://creativecommons.org/licenses/by/4.0/ . Retrieved 5 October 2026.

Stable key: col:4JCGM. Classification follows source parent identifiers. English common names may vary by region.