AmphibiaWeb - Batrachylidae
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(Translations may not be accurate.)

Batrachylidae

13 species in 4 genera

Commonly Called Patagonia Frogs, South American Wood Frogs, or Emerald Forest Frogs
Batrachyla leptopus
Photo by Richard Sage
(Click for family gallery)

These medium-sized frogs are restricted to the southern region of South America. Formerly a subfamily of Ceratophryidae, it is now restricted to these genera. Much is still unknown about the natural history of these species.

Written by AmphibiaWeb

Notable Family Characteristics

  • Medium-sized frog, up to about 60 mm SVL
  • Axillary amplexus
  • At least two types of tadpoles are known from one species Atelognathus patagonicus: an aquatic type living at the shallow edges of water bodies which have skin folds presumably to aid in cutaneous respiration and a littoral type, which lives at deeper depths lacking skin folds (Cuello et al 2006)
  • Known from high elevations, especially Chaltenobatrachus grandisonae most often found from 500 to 830 meters above sea level (Basso et al. 2011).
  • Distribution limited to South America, southern Chile through southwestern Argentina
Batrachylidae Richness map

Cartography Credit: Zoe Yoo, UC Berkeley
Range maps sources: AmphibiaWeb, UC Berkeley, and IUCN RedList

Relevant Reference

Basso, N. G., C. A. Úbeda, M. M. Bunge, and L. B. Martinazzo. 2011. A new genus of neobatrachian frog from southern Patagonian forests, Argentina and Chile. Zootaxa 3002: 31–44.

Cuello, M. E., M. T. Bello, M. Kun, and C. A. Úbeda (2006). Feeding habits and their implications for the conservation of the endangered semiaquatic frog Atelognathus patagonicus (Anura, Neobatrachia) in a northwestern Patagonian pond. Phyllomedusa, 5(1), 67-76.

Genus Atelognathus (6 species)
Atelognathus jeinimenensis no account no photos no sound/video
Atelognathus nitoi no account photos no sound/video
Atelognathus patagonicus account photos no sound/video
Atelognathus praebasalticus no account photos no sound/video
Atelognathus reverberii no account no photos no sound/video
Atelognathus solitarius no account photos no sound/video

Genus Batrachyla (5 species)
Batrachyla antartandica no account photos no sound/video
Batrachyla fitzroya no account no photos no sound/video
Batrachyla leptopus no account photos no sound/video
Batrachyla nibaldoi no account no photos no sound/video
Batrachyla taeniata no account photos no sound/video

Genus Chaltenobatrachus (1 species)
Chaltenobatrachus grandisonae account no photos no sound/video

Genus Hylorina (1 species)
Hylorina sylvatica account photos no sound/video

Citation: AmphibiaWeb: Information on amphibian biology and conservation. [web application]. Berkeley, California: AmphibiaWeb. Available: https://amphibiaweb.org/. (Accessed:

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