The Cycloramphidae are a family of

frogs 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 ...

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 else ...

to southeastern Brazil. This family has seen large changes in its composition. Genera that have at some point been included in the Cycloramphidae are at present placed in the Alsodidae, Hylodidae,

Leptodactylidae 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 other hyloids during the Cretaceous. The family has u ...

, and

Rhinodermatidae Rhinodermatidae, also known as Darwin's frogs, mouth-breeding frogs or mouth-brooding frogs, is a small family of frogs found in temperate forests of southern Chile and adjacent Argentina. They are a unique and evolutionary significant group of ...

. Of these, the Alsodidae and/or Hylodidae have also been considered as subfamilies of Cycloramphidae (as, respectively, Alsodinae and Hylodinae); the Cycloramphidae, as recognized at present, would be similar to subfamily Cycloramphinae under such system.

Genera

There are 36 species in three genera: * '' Cycloramphus'' Tschudi, 1838 * '' Thoropa'' Cope, 1865 * '' Zachaenus'' Cope, 1866 The AmphibiaWeb omits ''Zachaenus'' from this family, considering its placement within Hyloidea as uncertain.

References

Amphibian families Amphibians of South America Endemic fauna of Brazil Taxa named by Charles Lucien Bonaparte {{Hyloidea-stub