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NATURAL HISTORY · CATALOGUE RECORD

Siebold’s Keelback

Herpetoreas sieboldii Günther, 1860

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.

Herpetoreas sieboldii, a species of grass snake in the family Colubridae, is endemic to South Asia and Myanmar.

Herpetoreas sieboldii, a species of grass snake in the family Colubridae, is endemic to South Asia and Myanmar.

Uajith · CC BY-SA 4.0 · Image source

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Open encyclopedia reference

The Sikkim keelback (Herpetoreas sieboldii) is a species of grass snake in the family Colubridae. The species is endemic to South Asia and Myanmar. It is closely related to the Himalayan keelback, and some treat this species as a synonym (Tillack 2003).

Wikipedia contributors, Sikkim keelback; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T07:18:30.288848+00:00. This reference remains separate from the taxonomic record.

Identity & source status

Scientific name
Herpetoreas sieboldii Günther, 1860
Name authority
Günther, 1860
Common name
Siebold’s Keelback
Rank
species
Accepted status
accepted
Kingdom
Animalia
Phylum
Chordata
Class
Reptilia
Order
Squamata
Family
Colubridae
Genus
Herpetoreas
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. subfamilyNatricinae
  14. genusHerpetoreas
  15. speciesHerpetoreas sieboldii Günther, 1860

Close classified relatives

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

SpeciesClassificationSource status
Himalayan KeelbackHerpetoreas platyceps (Blyth, 1855)ColubridaeChordataAccepted speciesExtinction status not supplied
Burbrink’s KeelbackHerpetoreas burbrinki Guo, Zhu, Liu, Zhang, Li, Huang & Pyron, 2014ColubridaeChordataAccepted speciesExtinction status not supplied
Wall's KeelbackHerpetoreas xenura (Wall, 1907)ColubridaeChordataAccepted speciesExtinction status not supplied
Murlen Keelback SnakeHerpetoreas murlen Lalremsanga, Bal, Vogel & Biakzuala, 2022ColubridaeChordataAccepted speciesExtinction status not supplied
Rakhine KeelbackHerpetoreas davidi Nguyen, Lalremsanga, Biakzuala & Vogel, 2024ColubridaeChordataAccepted speciesExtinction status not supplied
Cute Himalayas Keelback”Herpetoreas abros Liu, Hou, Zhou, Zuo, Yin & Rao, 2024ColubridaeChordataAccepted speciesExtinction status not supplied
Yadong Keelback SnakeHerpetoreas yadongensis Tan, Li, Zhao, Zhang, Guo & Lyu, 2026ColubridaeChordataAccepted speciesExtinction status not supplied

Browse 1,632 records assigned to Colubridae.

Documented distribution

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

Pakistan, India (Uttar Pradesh, Sikkim, Punjab), Nepal, Myanmar (= Burma), Bhutan

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=Herpetoreas&species=sieboldii 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.

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:3L39C. Classification follows source parent identifiers. English common names may vary by region.