The southern frogs form the Leptodactylidae, a name that comes from Greek meaning a bird or other animal having slender toes. They are a diverse

family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...

frog A frog is any member of a diverse and largely carnivorous group of short-bodied, tailless amphibians composing the order Anura (ανοὐρά, literally ''without tail'' in Ancient Greek). The oldest fossil "proto-frog" '' Triadobatrachus'' is ...

s that most likely diverged from other hyloids during the

Cretaceous The Cretaceous ( ) is a geological period that lasted from about 145 to 66 million years ago (Mya). It is the third and final period of the Mesozoic Era, as well as the longest. At around 79 million years, it is the longest geological period of ...

. The family has undergone major taxonomic revisions in recent years, including the reclassification of the former subfamily Eleutherodactylinae into its own family the

Eleutherodactylidae The Eleutherodactylidae are a family of direct-developing frogs native to northern South America, the Caribbean, and southernmost North America. They are sometimes known under the common name rain frogs. Formerly the subfamily Eleutherodactyl ...

; the Leptodactylidae now number 206 species in 15 genera distributed throughout

Mexico Mexico ( Spanish: México), officially the United Mexican States, is a country in the southern portion of North America. It is bordered to the north by the United States; to the south and west by the Pacific Ocean; to the southeast by Guate ...

, the Caribbean, and

Central Central is an adjective usually referring to being in the center of some place or (mathematical) object. Central may also refer to: Directions and generalised locations * Central Africa, a region in the centre of Africa continent, also known a ...

and

South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere at the northern tip of the continent. It can also be described as the souther ...

. The family includes terrestrial, burrowing, aquatic, and arboreal members, inhabiting a wide range of habitats. Several of the genera within the Leptodactylidae lay their eggs in foam nests. These can be in crevices, on the surface of water, or on forest floors. These foam nests are some of the most varied among frogs. When eggs hatch in nests on the forest floor, the

tadpole A tadpole is the larval stage in the biological life cycle of an amphibian. Most tadpoles are fully aquatic, though some species of amphibians have tadpoles that are terrestrial. Tadpoles have some fish-like features that may not be found ...

s remain within the nest, without eating, until metamorphosis.

Classification

As of December 2019, the

Amphibian Species of the World ''Amphibian Species of the World 6.1: An Online Reference'' (ASW) is a herpetology database. It lists the names of frogs, salamanders and other amphibians, which scientists first described each species and what year, and the animal's known range ...

classifies the following genera in the family Leptodactylidae: * Subfamily

Leiuperinae The Leiuperinae are a subfamily of frogs in the family Leptodactylidae. Over 90 species are in five genera. The distribution of this subfamily is from southern Mexico to the Central America and much of South America. Taxonomy Recognition of th ...

Bonaparte, 1850 (90 species) ** ''

Edalorhina ''Edalorhina'' is a small genus of leptodactylid frogs. They are found in Colombia, Ecuador, Peru and western Brazil. They are sometimes known as the snouted frogs. Species The genus contains only the following two species: * ''Edalorhina nasut ...

'' Jiménez de la Espada, 1870 ** ''

Engystomops ''Engystomops'' is a genus of frogs in the family Leptodactylidae. They are known commonly as foam frogs or túngara frogs, though the latter name most commonly refers to '' Engystomops pustulosus''. They are native to the Americas from southern ...

'' Jiménez de la Espada, 1872 ** ''

Physalaemus ''Physalaemus'' is a large genus of leptodactylid The southern frogs form the Leptodactylidae, a name that comes from Greek meaning a bird or other animal having slender toes. They are a diverse family of frogs that most likely diverged from o ...

'' Fitzinger, 1826 ** ''

Pleurodema ''Pleurodema'' is a genus of leptodactylid frogs from South America. They are sometimes known under the common name four-eyed frogs, although this name can also refer to a particular species, '' Pleurodema bibroni''. The common name is a referenc ...

'' Tschudi, 1838 ** '' Pseudopaludicola'' Miranda-Ribeiro, 1926 * Subfamily

Leptodactylinae The Leptodactylinae are a subfamily of leptodactylid frogs distributed between southern North America (Texas, USA, and Sonora, Mexico) and South America to Brazil. Their sister taxon is the clade comprising the Leiuperinae and Paratelmatobiin ...

Werner, 1896 (1838) (96 species) ** ''

Adenomera ''Adenomera'' is a genus of leptodactylid frogs, sometimes known as tropical bullfrogs, found in South America east of the Andes. The genus was until recently considered a synonym of ''Leptodactylus ''Leptodactylus'' is a genus of leptodactyl ...

'' Steindachner, 1867 ** ''

Hydrolaetare ''Hydrolaetare'' is a genus of leptodactylid frogs. These frogs are found in Colombia, French Guiana, Peru, Bolivia , image_flag = Bandera de Bolivia (Estado).svg , flag_alt = Horizontal tricolor (red, yellow ...

'' Gallardo, 1963 ** ''

Leptodactylus ''Leptodactylus'' is a genus of leptodactylid frogs. It includes the species commonly called ditch frogs or white-lipped frogs. It is very similar to ''Physalaemus ''Physalaemus'' is a large genus of leptodactylid The southern frogs form th ...

'' Fitzinger, 1826 ** ''

Lithodytes ''Lithodytes'' is a genus of frogs in the family of Leptodactylidae. It is monotypic, being represented by the single species, ''Lithodytes lineatus'', also commonly known as the gold-striped frog or painted antnest frog. It is found in tropical ...

'' Fitzinger, 1843 * Subfamily Paratelmatobiinae Ohler and Dubois, 2012 (13 species) ** '' Crossodactylodes'' Cochran, 1938 ** ''

Paratelmatobius ''Paratelmatobius'' is a genus of frogs in the family Leptodactylidae. They are endemic to southern Brazil. Species The following species are recognised in the genus ''Paratelmatobius '': AmphibiaWeb also lists ''Paratelmatobius pictiventris ...

'' Lutz and Carvalho, 1958 ** ''

Rupirana ''Rupirana'' is a genus of frogs in the family Leptodactylidae. It is monotypic, being represented by the singles species ''Rupirana cardosoi''. The specific name ''cardosoi'' honors Adão José Cardoso, a Brazilian herpetologist. It is endemic ...

'' Heyer, 1999 ** '' Scythrophrys'' Lynch, 1971 * Incertae sedis ** "''Leptodactylus''" ''ochraceus'' Lutz, 1930

References

External links

Leptodactylidae, from the Tree of Life Web Project

Leptodactylidae taxonomy, from the NCBI taxonomy browser

Leptodactylid description, from AmphibiaWeb
{{Taxonbar, from=Q55475 Amphibian families Maastrichtian first appearances Taxa named by Franz Werner Neotropical realm fauna