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Melanophryniscus pachyrhynus (Miranda-Ribeiro, 1920)

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

Melanophryniscus pachyrhynus is a species of toad in the family Bufonidae. It is known from São Lourenço do Sul in southern Brazil and from Uruguay. Populations in Uruguay were until recently considered a different species (Melanophryniscus orejasmirandai) and assessed as being vulnerable.

Its natural habitats are subtropical or tropical seasonally wet or flooded lowland grassland, intermittent freshwater lakes, and intermittent freshwater marshes. It is threatened by habitat loss.

Wikipedia contributors, Melanophryniscus pachyrhynus; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T17:08:47.047955+00:00. This reference remains separate from the taxonomic record.

Identity & source status

Scientific name
Melanophryniscus pachyrhynus (Miranda-Ribeiro, 1920)
Name authority
(Miranda-Ribeiro, 1920)
Rank
species
Accepted status
accepted
Kingdom
Animalia
Phylum
Chordata
Class
Amphibia
Order
Anura
Family
Bufonidae
Genus
Melanophryniscus
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.

  1. domainEukaryota (Chatton, 1925) Whittaker & Margulis, 1978
  2. kingdomAnimalia
  3. phylumChordata
  4. subphylumVertebrata
  5. infraphylumGnathostomata
  6. parvphylumOsteichthyes
  7. megaclassTetrapoda
  8. classAmphibia
  9. orderAnura
  10. familyBufonidae Gray, 1825
  11. genusMelanophryniscus Gallardo, 1961
  12. speciesMelanophryniscus pachyrhynus (Miranda-Ribeiro, 1920)

Close classified relatives

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

SpeciesClassificationSource status
Melanophryniscus atroluteus (Miranda-Ribeiro, 1920)BufonidaeChordataAccepted speciesRecorded extant
Melanophryniscus cambaraensis Braun & Braun, 1979BufonidaeChordataAccepted speciesRecorded extant
Melanophryniscus devincenzii Klappenbach, 1968BufonidaeChordataAccepted speciesRecorded extant
Melanophryniscus estebani Céspedez, 2008BufonidaeChordataAccepted speciesRecorded extant
Melanophryniscus krauczuki Baldo & Basso, 2004BufonidaeChordataAccepted speciesRecorded extant
Melanophryniscus langonei Maneyro, Naya & Baldo, 2008BufonidaeChordataAccepted speciesRecorded extant
Melanophryniscus macrogranulosus Braun, 1973BufonidaeChordataAccepted speciesRecorded extant
Melanophryniscus montevidensis (Philippi, 1902)BufonidaeChordataAccepted speciesRecorded extant
Melanophryniscus peritus Caramaschi & Cruz, 2011BufonidaeChordataAccepted speciesRecorded extant
Melanophryniscus rubriventris (Vellard, 1947)BufonidaeChordataAccepted speciesRecorded extant
Melanophryniscus setiba Peloso, Faivovich, Grant, Gasparini & Haddad, 2012BufonidaeChordataAccepted speciesRecorded extant
Melanophryniscus simplex Caramaschi & Cruz, 2002BufonidaeChordataAccepted speciesRecorded extant

Browse 502 records assigned to Bufonidae.

Names & synonyms

Names explicitly linked to this accepted taxon in the source. Synonymy can change with revision.

Recorded nameSource status
Melanophryniscus orejasmirandai Prigioni & Langone, 1987 Prigioni & Langone, 1987synonym
Atelopus pachyrhynus Miranda-Ribeiro, 1920 Miranda-Ribeiro, 1920synonym

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. https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=661909 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:3Z9LY. Classification follows source parent identifiers. English common names may vary by region.