Cambarus bartonii: Difference between revisions
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''Astacus pusillus'' <small>Rafinesque, 1817</small><br /> |
''Astacus pusillus'' <small>Rafinesque, 1817</small><br /> |
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''Cambarus montanus'' <small>Girard, 1852</small><br /> |
''Cambarus montanus'' <small>Girard, 1852</small><br /> |
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{{nowrap|''Cambarus pusillus'' <small>Girard, 1852</small>}} <ref name="Fetzner">{{cite web |url=http://iz.carnegiemnh.org/crayfish/NewAstacidea/species.asp?g=Cambarus&s=bartonii&ssp=bartonii |title=''Cambarus'' (''Cambarus'') ''bartonii bartonii'' (Fabricius, 1798) |work=Crayfish Taxon Browser |author=James W. Fetzner, Jr. |publisher=[[Carnegie Museum of Natural History]] |date= |
{{nowrap|''Cambarus pusillus'' <small>Girard, 1852</small>}} <ref name="Fetzner">{{cite web |url=http://iz.carnegiemnh.org/crayfish/NewAstacidea/species.asp?g=Cambarus&s=bartonii&ssp=bartonii |title=''Cambarus'' (''Cambarus'') ''bartonii bartonii'' (Fabricius, 1798) |work=Crayfish Taxon Browser |author=James W. Fetzner, Jr. |publisher=[[Carnegie Museum of Natural History]] |date=2006-12-06}}</ref> |
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Colouration is usually plain dark brown, although [[:wikt:mottled|mottling]] is occasionally seen, as is a [[saddle]]-shaped marking <ref>{{cite web |url=http://www.ncwildlife.org/pg07_wildlifespeciescon/nccrayfishes/c_bartonii/c_bartonii.html |title=''Cambarus'' (''Cambarus'') ''bartonii'' (Fabricius 1798) |author=Aimee H. Fullerton |work=The Crayfishes of North Carolina |accessdate=2007-08-20 |publisher=[[North Carolina Wildlife Resources Commission]]}}</ref>. |
Colouration is usually plain dark brown, although [[:wikt:mottled|mottling]] is occasionally seen, as is a [[saddle]]-shaped marking <ref>{{cite web |url=http://www.ncwildlife.org/pg07_wildlifespeciescon/nccrayfishes/c_bartonii/c_bartonii.html |title=''Cambarus'' (''Cambarus'') ''bartonii'' (Fabricius 1798) |author=Aimee H. Fullerton |work=The Crayfishes of North Carolina |accessdate=2007-08-20 |publisher=[[North Carolina Wildlife Resources Commission]]}}</ref>. |
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Several subspecies of ''C. bartonii'' have been recognised, but it is unclear how advisable this is, and work is ongoing to determine patterns of infraspecific variation <ref>{{cite web |url=http://www.tolweb.org/Cambarus_(Cambarus)_bartonii_carinirostris/6823 |title=''Cambarus'' (''Cambarus'') ''bartonii carinirostris'' Hay 1914 |work=[[Tree of Life Web Project]] |date= |
Several subspecies of ''C. bartonii'' have been recognised, but it is unclear how advisable this is, and work is ongoing to determine patterns of infraspecific variation <ref>{{cite web |url=http://www.tolweb.org/Cambarus_(Cambarus)_bartonii_carinirostris/6823 |title=''Cambarus'' (''Cambarus'') ''bartonii carinirostris'' Hay 1914 |work=[[Tree of Life Web Project]] |date=2001-01-01 |author=Keith A. Crandall, James W. Fetzner, Jr., & [[Horton H. Hobbs, Jr.]]}}</ref>. |
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==References== |
==References== |
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Revision as of 04:42, 15 November 2009
| Cambarus bartonii | |
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| Species: | C. bartonii
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| Cambarus bartonii (Fabricius, 1798)
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Astacus ciliaris Rafinesque, 1817 | |
Cambarus bartonii is a species of crayfish native to eastern North America, where it is called the common crayfish [1] or Appalachian brook crayfish [2].
C. bartonii was the first crayfish to be described from North America, when Johan Christian Fabricius published it under the name Astacus Bartonii in his 1798 work Supplementum entomologiae systematicae [3]. The locality where his specimen was captured is not known, but is thought to be near Philadelphia, Pennsylvania [1].
C. bartonii lives in fast–flowing, cool, rocky streams as well as shallow lakes [4], and is found in the Canadian provinces of Ontario, Quebec and New Brunswick, and in the United States from Maine to Alabama [2]. In the south of its range, C. bartoni is restricted to the Appalachian Mountains and their foothills [1].
Colouration is usually plain dark brown, although mottling is occasionally seen, as is a saddle-shaped marking [5].
Several subspecies of C. bartonii have been recognised, but it is unclear how advisable this is, and work is ongoing to determine patterns of infraspecific variation [6].
References
- ^ a b c d James W. Fetzner, Jr. (2006-12-06). "Cambarus (Cambarus) bartonii bartonii (Fabricius, 1798)". Crayfish Taxon Browser. Carnegie Museum of Natural History.
- ^ a b "Comprehensive report: Cambarus bartonii - (Fabricius, 1798)". NatureServe Explorer. Retrieved 2007-08-20.
- ^ Horton H. Hobbs, Jr. (1942). "A generic revision of the crayfishes of the subfamily Cambarinae (Decapoda, Astacidae) with the description of a new genus and species". American Midland Naturalist. 28 (2): 334–357. doi:10.2307/2420820.
{{cite journal}}: Unknown parameter|quotes=ignored (help) - ^ Simone Rose. "The Crayfish". McMaster University. Retrieved 2007-08-20.
- ^ Aimee H. Fullerton. "Cambarus (Cambarus) bartonii (Fabricius 1798)". The Crayfishes of North Carolina. North Carolina Wildlife Resources Commission. Retrieved 2007-08-20.
- ^ Keith A. Crandall, James W. Fetzner, Jr., & Horton H. Hobbs, Jr. (2001-01-01). "Cambarus (Cambarus) bartonii carinirostris Hay 1914". Tree of Life Web Project.
{{cite web}}: CS1 maint: multiple names: authors list (link)