NATURAL HISTORY · CATALOGUE RECORD
Mountain Dwarf Snake
Collorhabdium williamsoni Smedley, 1932
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.
Open encyclopedia reference
Collorhabdium is a genus of snake in the family Colubridae. The genus contains the sole species Collorhabdium williamsoni. It is commonly known as the mountain dwarf snake and Williamson's reed snake. It is endemic to Malaysia.
Wikipedia contributors, Collorhabdium; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T08:57:03.014772+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Collorhabdium williamsoni Smedley, 1932
- Name authority
- Smedley, 1932
- Common name
- Mountain Dwarf Snake
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Reptilia
- Order
- Squamata
- Family
- Colubridae
- Genus
- Collorhabdium
- 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
- familyColubridae
- subfamilyCalamariinae
- genusCollorhabdium
- speciesCollorhabdium williamsoni Smedley, 1932
Close classified relatives
No other member of this genus is present in the selected snapshot.
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=Collorhabdium&species=williamsoni 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:X4VD. Classification follows source parent identifiers. English common names may vary by region.