Giant Asian Pond Turtle
Heosemys grandis (Gray, 1860)
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.

Heosemys grandis - Kaeng Krachan District, Phetchaburi Photo by Thai National Parks, https://www.thainationalparks.com/kaeng-krachan-national-park.
Rushenb · 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
The giant Asian pond turtle (Heosemys grandis) inhabits rivers, streams, marshes, and rice paddies from estuarine lowlands to moderate altitudes (up to about 400 metres (1,300 ft)) throughout Cambodia and Vietnam and in parts of Laos, Malaysia, Myanmar, Thailand, and India.
Wikipedia contributors, Giant Asian pond turtle; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T12:36:42.091403+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Heosemys grandis (Gray, 1860)
- Name authority
- (Gray, 1860)
- Common name
- Giant Asian Pond Turtle
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Reptilia
- Order
- Testudines
- Family
- Geoemydidae
- Genus
- Heosemys
- 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
- orderTestudines Batsch, 1788
- suborderCryptodira
- superfamilyTestudinoidea
- familyGeoemydidae
- genusHeosemys
- speciesHeosemys grandis (Gray, 1860)
Close classified relatives
These entries share the source’s genus, Heosemys. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Yellow-headed Temple TurtleHeosemys annandalii (Boulenger, 1903) | GeoemydidaeChordata | Accepted speciesExtinction status not supplied |
| Spiny turtleHeosemys spinosa (Gray, 1831) | GeoemydidaeChordata | Accepted speciesExtinction status not supplied |
| Arakan Forest TurtleHeosemys depressa (Anderson, 1875) | GeoemydidaeChordata | 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 |
|---|---|
| Geoemyda grandis Gray, 1860 Gray, 1860 | 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=Heosemys&species=grandis 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:3KVX9. Classification follows source parent identifiers. English common names may vary by region.