''Atelognathus'' is a genus of

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 in the family

Batrachylidae Batrachylidae is a family of frogs from southern South America (Argentina and Chile). Before being recognized as a family, Batrachylidae was included as a subfamily (Batrachylinae) in the family Ceratophryidae; this is the taxonomy still sugges ...

. Sometimes known as Patagonia frogs, these frogs are

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found els ...

Patagonia Patagonia () refers to a geographical region that encompasses the southern end of South America, governed by Argentina and Chile. The region comprises the southern section of the Andes Mountains with lakes, fjords, temperate rainforests, and ...

(southernmost

Argentina Argentina (), officially the Argentine Republic ( es, link=no, República Argentina), is a country in the southern half of South America. Argentina covers an area of , making it the second-largest country in South America after Brazil, t ...

and

Chile Chile, officially the Republic of Chile, is a country in the western part of South America. It is the southernmost country in the world, and the closest to Antarctica, occupying a long and narrow strip of land between the Andes to the eas ...

Species

There are seven species in the genus: * ''

Atelognathus nitoi ''Atelognathus nitoi'' is a species of frog in the family Batrachylidae found in Chile and Argentina. Its natural habitat In ecology, the term habitat summarises the array of resources, physical and biotic factors that are present in an ...

'' (Barrio, 1973) * ''

Atelognathus patagonicus ''Atelognathus patagonicus'' is a species of frog in the family Batrachylidae. It is endemic to the volcanic tablelands of Neuquén Province, western Argentina. Its common name is Patagonia frog. Its natural habitats are permanent lagoons surrou ...

'' (Gallardo, 1962) * ''

Atelognathus praebasalticus ''Atelognathus praebasalticus'' is a species of frog in the family Batrachylidae. It is endemic to Argentina. Its natural habitats are subtropical or tropical dry shrubland, temperate grassland, freshwater marshes, and intermittent freshwater ma ...

'' (Cei and Roig, 1968) * ''

Atelognathus reverberii ''Atelognathus reverberii'' is a species of frog in the family Batrachylidae. It is endemic to Argentina. Its natural habitats are subtropical or tropical dry shrubland, temperate grassland, freshwater marshes, and intermittent freshwater marsh ...

'' (Cei, 1969) * ''

Atelognathus solitarius ''Atelognathus solitarius'' is a species of frog in the family Batrachylidae. It is endemic to Argentina. Its natural habitats are subtropical or tropical dry shrubland and river A river is a natural flowing watercourse, usually freshw ...

'' (Cei, 1970) Formerly, ''

Chaltenobatrachus grandisonae ''Chaltenobatrachus'' is a monotypic genus of frogs in the family Batrachylidae. The sole species, ''Chaltenobatrachus grandisonae'', used to be included ''Atelognathus'', which is considered the sister taxon of ''Chaltenobatrachus''. ''C. grand ...

'' was also included in this genus (as ''Atelognathus grandisonae''), before being moved to its own

monotypic In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispec ...

genus.

References

Amphibians of South America Batrachylidae Fauna of Patagonia {{hyloidea-stub