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NATURAL HISTORY · CATALOGUE RECORD

Gervais’ Reed Snake

Calamaria gervaisii Duméril, Bibron & Duméril, 1854

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.

Calamaria gervaisii (KU 330084) from 1000m, Mt. Cagua. Photo: RMB.

Calamaria gervaisii (KU 330084) from 1000m, Mt. Cagua. Photo: RMB.

Brown R, Siler C, Oliveros C, Welton L, Rock A, Swab J, Van Weerd M, van Beijnen J, Rodriguez D, Jose E, Diesmos A · CC BY 3.0 · Image source

Provider-generated thumbnail requested at 800 pixels; no local editing Local WebP display rendition; resized without cropping.

Open encyclopedia reference

Calamaria gervaisii, commonly known as Gervais's worm snake and the Philippine dwarf snake, is a species of small fossorial snake in the subfamily Calamariinae of the family Colubridae. The species is native to the Philippines.

Wikipedia contributors, Calamaria gervaisii; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T08:20:06.951262+00:00. This reference remains separate from the taxonomic record.

Identity & source status

Scientific name
Calamaria gervaisii Duméril, Bibron & Duméril, 1854
Name authority
Duméril, Bibron & Duméril, 1854
Common name
Gervais’ Reed Snake
Rank
species
Accepted status
accepted
Kingdom
Animalia
Phylum
Chordata
Class
Reptilia
Order
Squamata
Family
Colubridae
Genus
Calamaria
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. subfamilyCalamariinae
  14. genusCalamaria
  15. speciesCalamaria gervaisii Duméril, Bibron & Duméril, 1854

Close classified relatives

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

SpeciesClassificationSource status
Bleeker's Dwarf SnakeCalamaria margaritophora Bleeker, 1860ColubridaeChordataAccepted speciesExtinction status not supplied
Lowi’s Reed SnakeCalamaria lovii Boulenger, 1887ColubridaeChordataAccepted speciesExtinction status not supplied
Calamaria concolor Orlov, Truong, Tao, Ananjeva & Cuc, 2010ColubridaeChordataAccepted speciesExtinction status not supplied
Boie's Dwarf SnakeCalamaria virgulata Boie, 1827ColubridaeChordataAccepted speciesExtinction status not supplied
Palawan Worm SnakeCalamaria palavanensis Inger & Marx, 1965ColubridaeChordataAccepted speciesExtinction status not supplied
Dominic’s reed snakeCalamaria dominici Ziegler, Tran & Nguyen, 2019ColubridaeChordataAccepted speciesExtinction status not supplied
Striped- belly reed snakeCalamaria strigiventris Poyarkov, Nguyen, Orlov & Vogel, 2019ColubridaeChordataAccepted speciesExtinction status not supplied
Clouded Reed SnakeCalamaria nebulosa Lee, 2021ColubridaeChordataAccepted speciesExtinction status not supplied
Lingnan Reed SnakeCalamaria arcana Yeung, Lau & Yang, 2022ColubridaeChordataAccepted speciesExtinction status not supplied
Calamaria jinggangensis Cai, Jiang, Wu, Huang, Fei & Ding, 2023ColubridaeChordataAccepted speciesExtinction status not supplied
Calamaria abramovi Orlov, 2009ColubridaeChordataAccepted speciesExtinction status not supplied
Calamaria abstrusa Inger & Marx, 1965ColubridaeChordataAccepted 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
Calamaria gervaisii iridescens Taylor, 1917 Taylor, 1917synonym
Calamaria mindorensis Boulenger, 1895 Boulenger, 1895synonym
Calamaria hollandi Taylor, 1923 Taylor, 1923synonym
Calamaria polillensis Taylor, 1923 Taylor, 1923synonym
Calamaria tropica Taylor, 1922 Taylor, 1922synonym

Documented distribution

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

Philippines (Luzon, Polillo, Mindoro, Tablas, Panay, Negros, Cebu, Mindanao, Basilan)

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. Duméril, A.M.C., G. BIBRON & A.H.A. DUMÉRIL. (1854). Erpétologie générale ou Histoire Naturelle complète des Reptiles. Vol. 7 (partie 1). Paris, Xvi + 780 S. 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:PD4K. Classification follows source parent identifiers. English common names may vary by region.