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NATURAL HISTORY · CATALOGUE RECORD

Callulina kreffti Nieden, 1911

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.

Krefft's Warty Frog (Callulina kreffti). Species of amphibian.

Krefft's Warty Frog (Callulina kreffti). Species of amphibian.

John Lyakurwa · CC BY 4.0 · Image source

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Open encyclopedia reference

Krefft's warty frog (Callulina kreffti), or Krefft's secret frog, is a species of frog in the family Brevicipitidae. It is found in the Eastern Arc Mountains in Tanzania and in southern Kenya. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical moist montane forests, rural gardens, and heavily degraded former forest. It is threatened by habitat loss.

Wikipedia contributors, Krefft's warty frog; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T15:37:05.268905+00:00. This reference remains separate from the taxonomic record.

Identity & source status

Scientific name
Callulina kreffti Nieden, 1911
Name authority
Nieden, 1911
Rank
species
Accepted status
accepted
Kingdom
Animalia
Phylum
Chordata
Class
Amphibia
Order
Anura
Family
Brevicipitidae
Genus
Callulina
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. familyBrevicipitidae Bonaparte, 1850
  11. genusCallulina Nieden, 1911
  12. speciesCallulina kreffti Nieden, 1911

Close classified relatives

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

SpeciesClassificationSource status
Callulina shengena Loader, Gower, Ngalason & Menegon, 2010BrevicipitidaeChordataAccepted speciesRecorded extant
Callulina dawida Loader, Measey, de Sá & Malonza, 2009BrevicipitidaeChordataAccepted speciesRecorded extant
Callulina laphami Loader, Gower, Ngalason & Menegon, 2010BrevicipitidaeChordataAccepted speciesRecorded extant
Callulina meteora Menegon, Gower & Loader, 2011BrevicipitidaeChordataAccepted speciesRecorded extant
Callulina kisiwamsitu de Sá, Loader & Channing, 2004BrevicipitidaeChordataAccepted speciesRecorded extant
Callulina stanleyi Loader, Gower, Ngalason & Menegon, 2010BrevicipitidaeChordataAccepted speciesRecorded extant

Browse 27 records assigned to Brevicipitidae.

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=664331 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:5X7CF. Classification follows source parent identifiers. English common names may vary by region.