Osornophryne simpsoni Páez-Moscoso, Guayasamin & Yánez-Muñoz, 2011
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
Osornophryne simpsoni, commonly known as Simpson's toadlet, or Simpson’s plumb toad is a species of true toad. It is endemic to the montane cloud forests of Ecuador, and is known from three locations.
The species was described in 2011. The frogs are orange or dark brown. Males and females differ in colour and size. The species is nocturnal and semi-arboreal.
Osornophryne simpsoni is endangered, and faces habitat loss. The species was named after Nigel Simpson.
Wikipedia contributors, Osornophryne simpsoni; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T17:34:03.870532+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Osornophryne simpsoni Páez-Moscoso, Guayasamin & Yánez-Muñoz, 2011
- Name authority
- Páez-Moscoso, Guayasamin & Yánez-Muñoz, 2011
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Amphibia
- Order
- Anura
- Family
- Bufonidae
- Genus
- Osornophryne
- 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
- genusOsornophryne Ruiz-Carranza & Hernández-Camacho, 1976
- speciesOsornophryne simpsoni Páez-Moscoso, Guayasamin & Yánez-Muñoz, 2011
Close classified relatives
These entries share the source’s genus, Osornophryne. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Osornophryne guacamayo Hoogmoed, 1987 | BufonidaeChordata | Accepted speciesRecorded extant |
| Osornophryne antisana Hoogmoed, 1987 | BufonidaeChordata | Accepted speciesRecorded extant |
| Osornophryne occidentalis Cisneros-Heredia & Gluesenkamp, 2011 | BufonidaeChordata | Accepted speciesRecorded extant |
| Osornophryne bufoniformis (Peracca, 1904) | BufonidaeChordata | Accepted speciesRecorded extant |
| Osornophryne talipes Cannatella, 1986 | BufonidaeChordata | Accepted speciesRecorded extant |
| Osornophryne cofanorum Mueses-Cisneros, Yánez-Muñoz & Guayasamin, 2010 | BufonidaeChordata | Accepted speciesRecorded extant |
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=1096012 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:6TBTK. Classification follows source parent identifiers. English common names may vary by region.