NATURAL HISTORY · CATALOGUE RECORD
Eastern Russel’s Viper
Daboia siamensis (Smith, 1917)
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.
Daboia siamensis in Thailand. Photo by: http://herpingthailand.com/
Tontanthailand · CC BY-SA 4.0 · Image sourceProvider-generated thumbnail requested at 800 pixels; no local editing Local WebP display rendition; resized without cropping.
Open encyclopedia reference
Daboia siamensis (Common name: eastern Russell's viper, Siamese Russell's viper, more) is a viper species which is endemic to parts of Southeast Asia, southern China and Taiwan. It was formerly considered to be a subspecies of Daboia russelii (as Daboia russelli siamensis), but was elevated to species status in 2007.
Wikipedia contributors, Daboia siamensis; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T10:05:56.194389+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Daboia siamensis (Smith, 1917)
- Name authority
- (Smith, 1917)
- Common name
- Eastern Russel’s Viper
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Reptilia
- Order
- Squamata
- Family
- Viperidae
- Genus
- Daboia
- 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.
- domainEukaryota (Chatton, 1925) Whittaker & Margulis, 1978
- kingdomAnimalia
- phylumChordata
- subphylumVertebrata
- infraphylumGnathostomata
- parvphylumOsteichthyes
- megaclassTetrapoda
- classReptilia Laurenti, 1768
- orderSquamata Oppel, 1811
- suborderSerpentes Linnaeus, 1758
- infraorderAlethinophidia Nopcsa, 1923
- familyViperidae
- subfamilyViperinae
- genusDaboia
- speciesDaboia siamensis (Smith, 1917)
Close classified relatives
These entries share the source’s genus, Daboia. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Palestine ViperDaboia palaestinae (Werner, 1938) | ViperidaeChordata | Accepted speciesExtinction status not supplied |
| Russell’s ViperDaboia russelii (Shaw & Nodder, 1797) | ViperidaeChordata | Accepted speciesExtinction status not supplied |
| Moorish ViperDaboia mauritanica (Gray, 1849) | ViperidaeChordata | Accepted speciesExtinction status not supplied |
Names & synonyms
Names explicitly linked to this accepted taxon in the source. Synonymy can change with revision.
| Recorded name | Source status |
|---|---|
| Vipera russelii limitis Mertens, 1927 Mertens, 1927 | synonym |
| Vipera russelli burmanus Maung Maung Aye ex Gopalakrishnakone & Tan, 1987 Maung Maung Aye ex Gopalakrishnakone & Tan, 1987 | synonym |
| Vipera russelli formosensis Maki, 1931 Maki, 1931 | synonym |
| Vipera russelli siamensis Smith, 1917 Smith, 1917 | synonym |
| Vipera russelli sublimitis Kopstein, 1936 Kopstein, 1936 | synonym |
Documented distribution
Source distribution statements, not a complete range map. A listed locality is not necessarily a place of origin.
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.
- https://reptile-database.reptarium.cz/species?genus=Daboia&species=siamensis 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:33SV7. Classification follows source parent identifiers. English common names may vary by region.