“Pacifastacus”的意思、由来-开放百科全书

词条

Pacifastacus

释义

References

{{Italic title}}{{Taxobox
| name = Pacifastacus
| image = Pacifastacus leniusculus1.jpg
| image_caption = Pacifastacus leniusculus
| regnum = Animalia
| phylum = Arthropoda
| subphylum = Crustacea
| classis = Malacostraca
| ordo = Decapoda
| infraordo = Astacidea
| familia = Astacidae
| genus = Pacifastacus
| genus_authority = Bott, 1950
| type_species = Astacus Klamathensis
| type_species_authority = Stimpson, 1857
}}Pacifastacus is a genus of crayfish native to western North America (USA and Canada), containing the following six species (DD = Data Deficient; CR = Critically Endangered; LC = Least Concern; EX = Extinct):^[1]^[2]

Pacifastacus chenoderma (fossil: Miocene – Pliocene)
Pacifastacus connectens
Pacifastacus fortis – shasta crayfish
Pacifastacus gambelii
Pacifastacus leniusculus – signal crayfish
Pacifastacus nigrescens

References

1. ^{{cite web |author=James W. Fetzner, Jr. |date=January 14, 2008 |title=Genus Pacifastacus Bott, 1950 |work=Crayfish Taxon Browser |publisher=Carnegie Museum of Natural History |accessdate=May 26, 2010 |url=http://iz.carnegiemnh.org/crayfish/NewAstacidea/genus.asp?g=Pacifastacus}}
2. ^{{cite web |url=http://www.iucnredlist.org/apps/redlist/search |work=IUCN Red List |publisher=International Union for Conservation of Nature |accessdate=October 9, 2010 |title=Search}}

2 : Astacidae|Crustacean genera

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