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Euparkerella

Euparkerella brasiliensis
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Amphibia
Order:	Anura
Family:	Strabomantidae
Subfamily:	Holoadeninae
Genus:	Euparkerella Griffiths, 1959^[1]
Type species
Sminthillus brasiliensis Parker, 1926
Diversity
See text

Euparkerella, sometimes known as Guanabara frogs, is a genus of frogs in the family Strabomantidae.^[2]^[3] They are endemic to the Atlantic coastal forests in the south-eastern Brazilian states of Espírito Santo and Rio de Janeiro.^[2]^[4] The name Euparkerella honours H. W. Parker, a herpetologist who named the type species, with the Greek prefix eu meaning true and suffix ella, a diminutive form.^[5]

Taxonomy

Species of Euparkerella are traditionally distinguished using morphological traits. However, these species do not align well with genetically distinct units, with the latter suggesting higher diversity than the former, especially within Euparkerella brasiliensis and Euparkerella cochranae. It remains unresolved whether the genetically distinct units qualify as different species.^[4]

Description

Species of Euparkerella are small frogs, growing to 22 millimetres (0.87 in) snout–vent length at most. The digits are extremely reduced, compared to those of their larger relatives.^[4] Head is narrower than the body. Differentiated tympanic membrane and tympanic annulus are absent. Dorsum is finely granular. Venter is areolate.^[5]

Species

The following species are recognized in the genus Euparkerella:^[2]^[3]

Euparkerella brasiliensis (Parker, 1926)
Euparkerella cochranae Izecksohn, 1988
Euparkerella cryptica Hepp, Carvalho-e-Silva, Carvalho-e-Silva, and Folly, 2015
Euparkerella robusta Izecksohn, 1988
Euparkerella tridactyla Izecksohn, 1988

References

^ Griffiths, I. (1959). "The phylogeny of Sminthillus limbatus and the status of the Brachycephalidae (Amphibia: Salientia)". Proceedings of the Zoological Society of London. 132 (3): 457–487. doi:10.1111/j.1469-7998.1959.tb05531.x.
^ ^a ^b ^c Frost, Darrel R. (2022). "Euparkerella Griffiths, 1959". Amphibian Species of the World: An Online Reference. Version 6.1. American Museum of Natural History. doi:10.5531/db.vz.0001. Retrieved 21 October 2022.
^ ^a ^b "Strabomantidae". AmphibiaWeb. University of California, Berkeley. 2022. Retrieved 21 October 2022.
^ ^a ^b ^c Fusinatto, Luciana A.; Alexandrino, João; Haddad, Célio F. B.; Brunes, Tuliana O.; Rocha, Carlos F. D. & Sequeira, Fernando (2013). "Cryptic genetic siversity is paramount in small-bodied amphibians of the genus Euparkerella (Anura: Craugastoridae) endemic to the Brazilian Atlantic forest". PLOS ONE. 8 (11): e79504. Bibcode:2013PLoSO...879504F. doi:10.1371/journal.pone.0079504. PMC 3815154. PMID 24223956.
^ ^a ^b Hedges, S. B.; Duellman, W. E. & Heinicke, M. P. (2008). "New World direct-developing frogs (Anura: Terrarana): Molecular phylogeny, classification, biogeography, and conservation" (PDF). Zootaxa. 1737: 1–182. doi:10.11646/zootaxa.1737.1.1.

Taxon identifiers
Euparkerella	Wikidata: Q547290 Wikispecies: Euparkerella ASW: Euparkerella BOLD: 519291 EoL: 15156 GBIF: 2425930 iNaturalist: 23043 IRMNG: 1097848 ITIS: 207921 NCBI: 611794 Open Tree of Life: 387681

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