Elachistocleis | |
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Elachistocleis surinamensis | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Amphibia |
Order: | Anura |
Family: | Microhylidae |
Subfamily: | Gastrophryninae |
Genus: | Elachistocleis Parker, 1927 |
Type species | |
Rana ovalis Schneider, 1799 | |
Species | |
See text. | |
Synonyms | |
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Elachistocleis is a genus of microhylid frogs found in southern America from Panama southwards. Their common name is oval frogs, although for historic reasons not all species are named so. [1] [2]
A 2021 study found that the genus originated in the Andes during the Oligocene, and contains two distinct clades that diverged from one another during the Middle Miocene. They dispersed throughout South America following the drying-out of the Pebas mega-wetland system, aided by the Amazon basin and other hydrological systems. [3]
Recent taxonomic evidence indicates that the type species, E. ovalis , is a nomen nudum , as it has no holotype, type locality, and its description lacks detail. The name has been applied to many Elachistocleis populations across South America, which are all now considered to represent undescribed species (with one of these from Trinidad and northern Venezuela being described as E. nigrogularis in 2021). In addition, another Elachistocleis identified from Trinidad in a 1980 study likely represents another undescribed species. [3]
The following species are recognised in the genus Elachistocleis: [1]
Binomial name and author | Common name | Image |
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Elachistocleis bicolor (Guérin-Méneville, 1838) | Two-colored oval frog | |
Elachistocleis bumbameuboi Caramaschi, 2010 | Maranhão Oval Frog | |
Elachistocleis carvalhoi Caramaschi, 2010 | Northwestern Tocantins Oval Frog | |
Elachistocleis cesarii (Miranda-Ribeiro, 1920) | São Paulo Oval Frog | |
Elachistocleis corumbaensis (Miranda-Ribeiro, 1920)Piva, Caramaschi, and Albuquerque, 2017 | Piraputangas Oval Frog | |
Elachistocleis erythrogaster Kwet & Di-Bernardo, 1998 | Red-bellied oval frog [4] | |
Elachistocleis haroi Pereyra, Akmentins, Laufer & Vaira, 2013 [5] | Jujuy Oval Frog | |
Elachistocleis helianneae Caramaschi, 2010 | Humaitá Oval Frog | |
Elachistocleis nigrogularis Jowers, Othman, Borzée, Rivas, Sánchez-Ramírez, Auguste, Downie, Read & Murphy, 2021 | Black-throated Oval Frog ( nomen nudum ) [6] | |
Elachistocleis magna Toledo, 2010 | Rondônia Oval Frog | |
Elachistocleis matogrosso Caramaschi, 2010 | Mato Grosso Oval Frog | |
Elachistocleis muiraquitan Nunes-de-Almeida and Toledo, 2012 | Acre's Oval Frog | |
Elachistocleis ovalis (Schneider, 1799) | Common oval frog ( nomen nudum ) [3] | |
Elachistocleis panamensis (Dunn, Trapido, and Evans, 1948) | Panama humming frog | |
Elachistocleis pearsei (Ruthven, 1914) | Colombian plump prog | |
Elachistocleis piauiensis Caramaschi & Jim, 1983 | Piaui oval frog | |
Elachistocleis skotogaster Lavilla, Vaira & Ferrari, 2003 | Santa Victoria oval frog | |
Elachistocleis surinamensis (Daudin, 1802) | Surinam oval frog | |
Elachistocleis surumu Caramaschi, 2010 | Roraima Oval Frog | |
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Atelopus is a large genus of Bufonidae, commonly known as harlequin frogs or toads, from Central and South America, ranging as far north as Costa Rica and as far south as Bolivia. Atelopus species are small, generally brightly colored, and diurnal. Most species are associated with mid-to-high elevation streams.
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Scaphiophryne is a genus of microhylid frogs endemic to Madagascar. Some of the species are strikingly marked, while others are highly cryptic. They are rather plump and generally found on the ground. Several species in the genus are threatened because of habitat loss and overcollection for the international pet trade.
Fejervarya is a genus of frogs in the family Dicroglossidae found in Asia. First proposed in 1915 by István József Bolkay, a Hungarian naturalist, the genus did not see widespread adoption at first. As late as the 1990s it was generally included in Rana, but more recent studies have confirmed its distinctness.
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Phytotriades is a genus of tree frogs in the family Hylidae. As currently delimited, the genus is monotypic and contains Phytotriades auratus, commonly known as the golden tree frog, bromeliad-dwelling treefrog, El Tucuche golden tree frog, or Trinidad heart-tongued frog.
Elachistocleis ovalis, commonly known as the common oval frog, is a dubious species of frog in the family Microhylidae. The type species of Elachistocleis, it was described without a holotype or type locality, and due to this it is not known exactly to which population the name Elachistocleis ovalis applies, making it a nomen nudum. The Amphibian Species of the World restricts this species to Panama, Colombia, Trinidad and Tobago, and Bolivia. Frog species from Brazil have been allocated to other species. A 2021 study found all populations assigned to E. ovalis across South America to represent several different undescribed species, likely indicating that the name E. ovalis is invalid without knowledge of the original population.
Elachistocleis skotogaster is a species of frog in the family Microhylidae. It is known with certainty only from the Salta Province in northern Argentina. However, the type locality and some later observations are near the border to Bolivia, and it is possible that some frogs from Bolivia currently attributed to Elachistocleis ovalis belong to this species.
Pristimantis is a very large genus of frogs distributed in the southern Caribbean islands and in Central and South America from Honduras to northern Argentina and southern Brazil. With 596 described species, the genus had more species than any other genus of vertebrate animals. Many of these species genus are endemic to the Northwestern Andean montane forests ecoregion in north-western South America.
Craugastoridae, commonly known as fleshbelly frogs, is a family of New World direct-developing frogs. As delineated here, following the Amphibian Species of the World, it contains 129 species. They are found from the southern United States southwards to Central and South America.
Hylarana, commonly known as golden-backed frogs, is a genus of true frogs found in tropical Asia. It was formerly considered highly diverse, containing around 84 to 96 valid species, but taxonomic revision resulted in a major change in the contents of the genus, recognizing just four species.