NATURAL HISTORY · CATALOGUE RECORD
Red-tailed Green Ratsnake
Gonyosoma oxycephalum (Boie, 1827)
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
Gonyosoma oxycephalum, known commonly as the arboreal ratsnake, the red-tailed green rat snake, and the red-tailed racer, is a species of snake in the family Colubridae. The species is endemic to Southeast Asia.
It was first described by Friedrich Boie in 1827.
Wikipedia contributors, Gonyosoma oxycephalum; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T11:25:47.510629+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Gonyosoma oxycephalum (Boie, 1827)
- Name authority
- (Boie, 1827)
- Common name
- Red-tailed Green Ratsnake
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Reptilia
- Order
- Squamata
- Family
- Colubridae
- Genus
- Gonyosoma
- 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
- subfamilyColubrinae
- genusGonyosoma
- speciesGonyosoma oxycephalum (Boie, 1827)
Close classified relatives
These entries share the source’s genus, Gonyosoma. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Celebes Black-tailed RatsnakeGonyosoma jansenii (Bleeker, 1859) | ColubridaeChordata | Accepted speciesExtinction status not supplied |
| Rhino Rat SnakeGonyosoma boulengeri (Mocquard, 1897) | ColubridaeChordata | Accepted speciesExtinction status not supplied |
| Hainan rhinoceros snakeGonyosoma hainanense Peng, Zhang, Huang, Burbrink & Wang, 2021 | ColubridaeChordata | Accepted speciesExtinction status not supplied |
| Green Bush Rat SnakeGonyosoma prasinum (Blyth, 1855) | ColubridaeChordata | Accepted speciesExtinction status not supplied |
| Khasi Hills Trinket snakeGonyosoma frenatum (Gray, 1853) | ColubridaeChordata | Accepted speciesExtinction status not supplied |
| Rainbow Tree SnakeGonyosoma margaritatum Peters, 1871 | ColubridaeChordata | 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 |
|---|---|
| Gonyosoma viride Wagler, 1828 Wagler, 1828 | synonym |
| Aepidea robusta Hallowell, 1861 Hallowell, 1861 | synonym |
| Coluber oxycephalus Boie, 1827 Boie, 1827 | synonym |
| Coluber floweri Werner, 1925 Werner, 1925 | synonym |
| Alopecophis chalybeus Gray, 1849 Gray, 1849 | synonym |
| Coluber deroyi Werner, 1923 Werner, 1923 | 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=Gonyosoma&species=oxycephalum 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:3GZWS. Classification follows source parent identifiers. English common names may vary by region.