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Lithobates

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Lithobates
Temporal range: Early Miocene–present
A close up of a male American bullfrog (Lithobates catesbeianus)
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Ranidae
Genus: Lithobates
Fitzinger, 1843
Type species
Rana palmipes
Spix, 1824
Species

7 to 50, depending on the definition

Synonyms

Lithobates, commonly known as the bullfrogs, is a genus of true frogs, of the family Ranidae.[1] The name is derived from litho- (stone) and the Greek bates (βάτης, one that treads), meaning one that treads on rock, or rock climber.[2][3] As presently defined, it includes many of eastern North America's most familiar aquatic frog species, including the American bullfrog, green frog, and the leopard frogs.

Systematics

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The name was defined by Hillis and Wilcox (2005) for a subgenus of four Central and South American frogs within the genus Rana.[4][5] The subgenus was subsequently expanded to seven species in Central and South America in a systematic revision of the genus Rana.[6] The name was previously used by Frost et al. as a separate genus of ranid frogs that included most of the North American frogs traditionally included in the genus Rana,[7] including the American bullfrog and northern leopard frog. Frost used the name in this sense in the frog section of a North American common names list edited by Crother (2008).[8] This proposed change has since been rejected by others, such as Stuart (2008),[9] Pauly et al. (2009),[10] AmphibiaWeb,[11] and Yuan et al. (2016).[6] AmphibiaWeb, available at http://amphibiaweb.org/, an online compendium of amphibian names, follows Yuan et al. (2016) in recognizing Lithobates as a subgenus.[6] On the other hand, Amphibian Species of the World 6.0, an online reference, uses Lithobates as a genus.[1] This definition is also followed by, e.g., the International Union for Conservation of Nature (IUCN)[12] and the Society for the Study of Amphibians and Reptiles.[13]

The earliest known members of this genus are known from the Early Miocene of Florida, and appear to belong to the leopard frog species complex.[14]

Species

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Recent species

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These species are recognised in the genus Lithobates:[1]

Alternatively, if Lithobates is treated as a subgenus (neotropical true frogs), then this narrower definition would contain the following species:

Fossil species

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The following fossil species are known, all assignable to the L. pipiens (leopard frog) complex:[14]

The species described in 1942 were previously placed in their own genus, Anchylorana.[14]

References

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  1. ^ a b c Frost, Darrel R. (2016). "Lithobates Fitzinger, 1843". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 7 August 2016.
  2. ^ Dodd, C. Kenneth (2013). Frogs of the United States and Canada. Vol. 1. The Johns Hopkins University Press. p. 20. ISBN 978-1-4214-0633-6.
  3. ^ βάτης. Liddell, Henry George; Scott, Robert; A Greek–English Lexicon at the Perseus Project one that treads or covers
  4. ^ Hillis, David M.; Wilcox, Thomas P. (2005). "Phylogeny of the New World true frogs (Rana)" (PDF). Mol. Phylogenet. Evol. 34 (2): 299–314. doi:10.1016/j.ympev.2004.10.007. PMID 15619443. Archived from the original (PDF) on 2008-05-28.
  5. ^ Hillis, David M (2007). "Constraints in naming parts of the Tree of Life". Mol. Phylogenet. Evol. 42 (2): 331–338. doi:10.1016/j.ympev.2006.08.001. PMID 16997582.
  6. ^ a b c Yuan, Zhi-Yong; Zhou, Wei-Wei; Chen, Xin; Poyarkov, Nikolay A.; Chen, Hong-Man; Jang-Liaw, Nian-Hong; Chou, Wen-Hao; Matzke, Nicholas J.; Iizuka, Koji; Min, Mi-Sook; Kuzmin, Sergius L.; Zhang, Ya-Ping; Cannatella, David C.; Hillis, David M.; Che, Jing (2016). "Spatiotemporal diversification of the true frogs (genus Rana): A historical framework for a widely studied group of model organisms". Systematic Biology. 65 (5): 824–842. doi:10.1093/sysbio/syw055. hdl:2292/43460. PMID 27288482.
  7. ^ Frost, Darrel R. (2006): Amphibian Species of the World Version 3 - Petropedetidae Noble, 1931. American Museum of Natural History, New York, USA. Retrieved 2006-AUG-05., Frost, Darrel R. et al. (2006): The amphibian tree of life. Bulletin of the American Museum of Natural History. Number 297. New York.
  8. ^ Crother, B.I. (ed.) (2008): Scientific and standard English names of amphibians and reptiles of North American north of Mexico - "Standard and Common Names". Archived from the original on 2013-04-16. Retrieved 2012-04-28.. SSAR Herptological Circular 37:1-84.
  9. ^ 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)
  10. ^ Pauly, Greg B.; Hillis, David M.; Cannatella, David C. (2009). "Taxonomic freedom and the role of official lists of species names" (PDF). Herpetologica. 65 (2): 115–128. doi:10.1655/08-031r1.1. S2CID 283839. Archived from the original (PDF) on 2011-07-25.
  11. ^ AmphibiaWeb: Information on amphibian biology and conservation. [web application]. 2012. Berkeley, California: Rana
  12. ^ "The IUCN Red List of Threatened Species. Version 2016-1". International Union for Conservation of Nature. Retrieved 7 August 2016.
  13. ^ Crother, Brian I., ed. (August 2012). Scientific and Standard English Names of Amphibians and Reptiles of North America North of Mexico, with comments regarding confidence in our understanding. Seventh edition. SSAR Herpetological circular No. 39 (PDF). Shoreview, MN: Society for the Study of Amphibians and Reptiles (SSAR). pp. 1–92. ISBN 978-0-916984-85-4.
  14. ^ a b c Sanchiz, B. (2012-01-01). "Nomenclatural notes on living and fossil amphibians". Graellsia.
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