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Rana (genus)

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Rana (genus)

Rana
Northern red-legged frog (Rana aurora)
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Subphylum: Vertebrata
Class: Amphibia
Order: Anura
Suborder: Neobatrachia
Family: Ranidae
Genus: Rana
Linnaeus, 1758
Subgenera

Aquarana
Lithobates
Pantherana
Rana
Zweifelia

Rana (commonly known as the pond frog or brown frog) is a genus of frogs. Members of this genus are found through much of Eurasia, North America, Africa, Central America, and the northern half of South America. Many other genera were formerly included here;[1] see below for details.

These true frogs are usually largish species characterized by their slim waists and wrinkled skin; many have thin ridges running along their backs but they generally lack "warts" like in typical toads. They are excellent jumpers due to their long slender legs. The typical webbing found on their hind feet allows for easy movement through water. Coloration is mostly greens and browns above, with darker and yellowish spots.

Contents

  • Distribution and habitat 1
  • Diet 2
  • Systematics 3
    • Species 3.1
  • Footnotes 4
  • References 5
  • External links 6

Distribution and habitat

Many frogs in this genus breed in early spring, although subtropical and tropical species may breed throughout the year. Males of most of the species are known to call, but a few species are thought to be voiceless. Females lay eggs in rafts or large, globular clusters, and can produce up to 20,000 at one time.

Diet

Rana species feed mainly on insects and invertebrates, but will swallow anything they can fit into their mouths, including small vertebrates. Among their predators are egrets, crocodiles and snakes.

Systematics

Over 100 species are placed in this genus; many other species formerly placed in Rana are now placed elsewhere.[2][3] A number of subgenera are recognized, including Aquarana, Lithobates, Patherana, and Zweifelia.[4]

Genera recently split from Rana are Babina, Clinotarsus (including Nasirana), Glandirana, Hydrophylax, Hylarana, Odorrana (including Wurana), Pelophylax, Pulchrana, Sanguirana, and Sylvirana. Of these, Odorrana is so closely related to Rana proper, it could conceivably be included here once again. The others seem to be far more distant relatives, in particular Pelophylax.[1]

New species are still being described in some numbers.

Species

The harpist brown frog (also known as Kampira Falls frog or Yaeyama harpist frog) was formerly known as R. psaltes; it was subsequently identified as the long-known R. okinavana. The latter name has been misapplied to the Ryūkyū brown frog, but the harpist brown frog is a rather distinct species that apparently belongs in Babina or Nidirana if these are considered valid.[6]

Footnotes

  1. ^ a b Cai et al. (2007), Stuart (2008)
  2. ^ Lithobates, American Museum of Natural History.
  3. ^ Hillis & Wilcox (2005), Hillis (2007), Pauly et al. (2009)
  4. ^ Hillis & Wilcox (2005), Hillis (2007), Stuart (2008), Pauly et al. (2009), Fouquette & Dubois (2014).
  5. ^ Feinberg JA, Newman CE, Watkins-Colwell GJ, Schlesinger MD, Zarate B, Curry BR, Bradley Shaffer HB, Burger J. (2014). Cryptic Diversity in Metropolis: Confirmation of a New Leopard Frog Species (Anura: Ranidae) from New York City and Surrounding Atlantic Coast Regions. PLoS ONE 9(10): e108213. doi:10.1371/journal.pone.0108213
  6. ^ Matsui (2007)

References

  • Cai, Hong-xia; Che, Jing, Pang, Jun-feng; Zhao, Er-mi & Zhang, Ya-ping (2007): Paraphyly of Chinese Amolops (Anura, Ranidae) and phylogenetic position of the rare Chinese frog, Amolops tormotus. Zootaxa 1531: 49–55. PDF abstract and first page text
  • Dubois, A. & Ohler, A. (1995) Frogs of the subgenus Pelophylax (Amphibia, Anura, genus Rana): a catalogue of available and valid scientific names, with comments on the name-bearing types, complete synonymies, proposed common names, and maps showing all type localities. In: Ogielska, M. (ed.): II International Symposium on Ecology and Genetics of European water frogs, 18–25 September 1994, Wroclaw, Poland. Zoologica Poloniae 39(3-4): 139-204
  • Fouquette, M.J. & Dubois, A. (2014) A Checklist of North American Amphibians and Reptiles: The United States and Canada, 7th Ed. Volume 1—Amphibians. Xlibris Publ. ISBN 9781493170340.
  • Frost, Darrel R. (2006): Amphibian Species of the World: an Online Reference. Version 4, 2006-AUG-17.
  • Hillis, D. M. (2007) Constraints in naming parts of the Tree of Life. Mol. Phylogenet. Evol. 42: 331–338. doi:10.1016/j.ympev.2006.08.001 PDF fulltext
  • Hillis, D. M. & Wilcox, T. P. (2005): Phylogeny of the New World true frogs (Rana). Mol. Phylogenet. Evol. 34(2): 299–314. doi:10.1016/j.ympev.2004.10.007 PDF fulltext
  • Matsui, Masafumi (2007): Unmasking Rana okinavana Boettger, 1895 from the Ryukyus, Japan (Amphibia: Anura: Ranidae). Zool. Sci. 24: 199–204. doi:10.2108/zsj.24.199 (HTML abstract)
  • Pauly, Greg B., Hillis, David M. & Cannatella, David C. (2009): Taxonomic freedom and the role of official lists of species names. Herpetologica 65: 115-128. PDF fulltext
  • Stuart, Bryan L. (2008): The phylogenetic problem of Huia (Amphibia: Ranidae). Mol. Phylogenet. Evol. 46(1): 49-60. doi:10.1016/j.ympev.2007.09.016 (HTML abstract)

External links

  • AmphibiaWeb
  • Amphibian and Reptiles of Peninsular Malaysia
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