Stumpffia

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Stumpffia
Unidentified Stumpffia in Marojejy
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Microhylidae
Subfamily: Cophylinae
Genus: Stumpffia
Boettger, 1881
Type species
Stumpffia psologlossa
Boettger, 1881
Diversity
41 species

Stumpffia is a

microhylid frogs that are endemic to Madagascar.[1] They are mostly brown frogs that typically live among leaf litter. S. contumelia has a snout–vent length of about 8–9 mm (0.31–0.35 in), making it one of the world's smallest frogs, and several others in the genus are only slightly larger.[2][3] The largest species is no more than 28 mm (1.1 in).[2]

The majority of the species have only been described since 2010. Each species has a small range and many are seriously threatened.[2][4]

Taxonomy

Stumpffia was first described from the single species

morphometric, chromatic (color), bioacoustic (voice), and genetic data to provide new data on the 15 described species of Stumpffia, and describe a further 26 new species.[2]

Debate on synonymy with Rhombophryne

The genus Stumpffia was proposed to be a junior

paraphyletic, and which is morphologically and genetically highly distinct from any species of Rhombophryne or Stumpffia.[7]

This debate was continued in 2017, with one group of authors continuing to advocate for synonymy of these two genera plus Anilany,[8] while the other group of authors continued to advocate for separate treatment of these genera based on their monophyly and morphological distinction allowing them to be distinguished with comparative ease.[9] There was a temporary impasse, wherein the Amphibian Species of the World database continued to adopt the single-genus taxonomy, and as a result, so too did the IUCN Red List of Endangered Species and other online databases (e.g. iNaturalist) that draw from that resource. Meanwhile, AmphibiaWeb continued to use the three-genus taxonomy, as did the taxonomists working on cophyline systematics,[2][10][11] and other groups working more broadly on frog evolution and taxonomy.[12][13]

In March 2019, a new genus, Mini, was described for the miniaturised frogs previously confused with Stumpffia that are more closely related to Plethodontohyla.[14] Evidence in this study, as well as that presented in a paper by Na Tu et al. in 2018,[13] helped to clarify the taxonomic situation, and the Amphibian Species of the World database reverted to treating Rhombophryne, Anilany, and Stumpffia as valid genera.[15]

Species

There are over 40 currently recognised species:[1][2][16][17]

The taxon

Stumpffia helenae'' Vallan, 2000 was transferred to Anilany[7]
and therefore does not appear on this list.

References

  1. ^ . Amphibian Species of the World, an Online Reference. Version 6.0. American Museum of Natural History, New York. Retrieved 29 June 2022.
  2. ^ a b c d e f g Rakotoarison, A.; Scherz, M.D.; Glaw, F.; Köhler, J; Andreone, F.; Franzen, M.; Glos, J.; Hawlitschek, O.; Jono, T.; Mori, A.; Ndriantsoa, S.H.; Raminosoa Rasoamampionona, N.; Riemann, J.C.; Rödel, M.-O.; Rosa, G.M.; Vieites, D.R.; Crottini, A.; Vences, M. (2017). "Describing the smaller majority: Integrative fast-track taxonomy reveals twenty-six new species of tiny microhylid frogs (genus Stumpffia) from Madagascar". Vertebrate Zoology. 67 (3): 271–398.
  3. ^ "10 Smallest Frogs and Toads in the World". gonefroggin.com. 18 December 2017. Retrieved 28 January 2020.
  4. ^ "Stumpffia". IUCN Redlist. 28 January 2020. Retrieved 28 January 2020.
  5. ^ Boettger, Oskar (1881). "Diagnoses Reptilium et Batrachiorum novorum ab ill. Antonio Stumpff in insula Nossi Bé Madagascariensi lectorum". Zoologischer Anzeiger. 4: 358–362.
  6. S2CID 84925667
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  7. ^ .
  8. .
  9. ^ Scherz, Mark D.; Vences, Miguel; Rakotoarison, Andolalao; Andreone, Franco; Köhler, Jörn; Glaw, Frank; Crottini, Angelica (2017). "Lumping or splitting in the Cophylinae (Anura: Microhylidae) and the need for a parsimony of taxonomic changes: a response to Peloso et al. (2017)". Salamandra. 53 (3): 479–483.
  10. ISSN 1860-0743
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  11. .
  12. .
  13. ^ .
  14. .
  15. ^ American Museum of Natural History. "Rhombophryne Botteger, 1880". Amphibian Species of the World 6.0, an online reference. Archived from the original on 2019-04-02. Retrieved 2019-04-02.
  16. ^
    PMID 25781734
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  17. .