True frog
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The True frogs (of family Ranidae), have the widest distribution of any frog family. They are abundant throughout the world, excluding Australia and Antarctica. Only one species is native to Australia, the Australian wood frog (Rana daemelii), and is restricted to the far north. The true frogs are also present in North America, northern South America, Europe, Asia, Madagascar, Africa and from the East Indies to New Guinea.
The true frogs are very varied in relation to size, ranging from small, to the largest frog in the world, the Goliath Frog (Conraua goliath). Many of the true frogs are aquatic or habit close to water. Most species lay their eggs in the water, and go through a tadpole stage. However, as with most families of frogs, there is large variation of habitat within the family. Those of the genus Tomopterna, are burrowing frogs native to Africa. They exhibit most of the characteristics common to burrowing frogs from around the world. There is also arboreal species of true frogs.
Typically, true frogs are smooth, moist skinned frogs, with large, powerful legs and extensively webbed feet.
[edit] Taxonomy
Some authors believe the sub-family, Petropedetinae, is a distinct family, called Petropedetidae. <ref>Amphibian Species of the World - Petropedetidae Noble, 1931. Retrieved on 2006-08-05.</ref>
This is a list of genera within the Ranidae family:
- Afrana Dubois, 1992
- Amietia Dubois, 1987
- Amnirana Dubois, 1992
- Amolops Cope, 1865
- Anhydrophryne Hewitt, 1919
- Arthroleptella Hewitt, 1926
- Arthroleptides Nieden, 1911
- Aubria Boulenger, 1917
- Batrachylodes Boulenger, 1887
- Cacosternum Boulenger, 1887
- Ceratobatrachus Boulenger, 1884
- Chaparana Bourret, 1939
- Conraua Nieden, 1908
- Dimorphognathus Boulenger, 1906
- Discodeles Boulenger, 1918
- Ericabatrachus Largen, 1991
- Euphlyctis Fitzinger, 1843
- Fejervarya Bolkay, 1915
- Hildebrandtia Nieden, 1907
- Hoplobatrachus Peters, 1863
- Huia Yang, 1991
- Indirana Laurent, 1986
- Ingerana Dubois, 1987
- Lankanectes Dubois & Ohler, 2001
- Lanzarana Clarke, 1982
- Limnonectes Fitzinger, 1843
- Meristogenys Yang, 1991
- Micrixalus Boulenger, 1888
- Microbatrachella Hewitt, 1926
- Minervarya Dubois, Ohler & Biju, 2001
- Nannophrys Günther, 1869
- Nanorana Günther, 1896
- Natalobatrachus Hewitt and Methuen, 1912
- Nothophryne Poynton, 1963
- Nyctibatrachus Boulenger, 1882
- Occidozyga Kuhl & Hasselt, 1822
- Paa Dubois, 1975
- Palmatorappia Ahl, 1927
- Petropedetes Reichenow, 1874
- Phrynobatrachus Günther, 1862
- Phrynodon Parker, 1935
- Platymantis Günther, 1858
- Pseudoamolops Jiang, Fei, Ye, Zeng, Zhen, Xie & Chen, 1997
- Poyntonia Channing and Boycott, 1989
- Pterorana Kiyasetuo & Khare, 1986
- Ptychadena Boulenger, 1917
- Pyxicephalus Tschudi, 1838
- Rana Linnaeus, 1758
- Sphaerotheca Günther, 1859
- Staurois Cope, 1865
- Strongylopus Tschudi, 1838
- Tomopterna Duméril & Bibron, 1841
- Wurana Li, Lu & Lu 2006
[edit] Cited references
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[edit] References
- Cogger, H.G., R.G. Zweifel, and D. Kirschner (2004). Encyclopedia of Reptiles & Amphibians Second Edition. Fog City Press. ISBN 1-877019-69-0.
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