Phrynoidis asper (Gravenhorst, 1829)
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.
An Asian Giant Toad from Nakhon Si Thammarat, Thailand
Psumuseum · 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 Asian giant toad (Phrynoidis asper), sometimes referred to as the river toad, is a species of true toad native to Mainland Southeast Asia and the Greater Sundas. It is a medium-large toad, but it is easily confused with its larger relative, the giant river toad (P. juxtasper).
Wikipedia contributors, Phrynoidis asper; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T17:43:23.763256+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Phrynoidis asper (Gravenhorst, 1829)
- Name authority
- (Gravenhorst, 1829)
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Amphibia
- Order
- Anura
- Family
- Bufonidae
- Genus
- Phrynoidis
- Extinction status
- Recorded extant
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
- classAmphibia
- orderAnura
- familyBufonidae Gray, 1825
- genusPhrynoidis Fitzinger in Treitschke, 1842
- speciesPhrynoidis asper (Gravenhorst, 1829)
Close classified relatives
These entries share the source’s genus, Phrynoidis. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Phrynoidis juxtasper (Inger, 1964) | BufonidaeChordata | Accepted speciesRecorded extant |
Names & synonyms
Names explicitly linked to this accepted taxon in the source. Synonymy can change with revision.
| Recorded name | Source status |
|---|---|
| Cyclogaster borneensis Steindachner, 1867 Steindachner, 1867 | synonym |
| Bufo asper Gravenhorst, 1829 Gravenhorst, 1829 | synonym |
| Nectes obscurus Barbour, 1904 Barbour, 1904 | synonym |
| Phrynoides asper (Gravenhorst, 1829) (Gravenhorst, 1829) | synonym |
| Phrynoidis aspera (Gravenhorst, 1829) (Gravenhorst, 1829) | synonym |
| Pseudobufo obscurus (Barbour, 1904) (Barbour, 1904) | synonym |
| Bufo obscurus (Barbour, 1904) (Barbour, 1904) | synonym |
| Bufo verrucigerus Mertens, 1924 Mertens, 1924 | synonym |
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://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=1104770 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:4GWK6. Classification follows source parent identifiers. English common names may vary by region.