Gonidea
Gonidea angulata, the western ridged mussel or Rocky Mountain ridged mussel, is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels. It is the only species in the genus Gonidea.
| Gonidea | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Bivalvia |
| Order: | Unionida |
| Family: | Unionidae |
| Genus: | Gonidea Conrad, 1857 |
| Species: | G. angulata |
| Binomial name | |
| Gonidea angulata | |
Description
Shell is 125 mm long, 65 mm high, 40 mm wide.[3]
Distribution and conservation status
This species is found in the Pacific Northwest.
In Canada, it lives in British Columbia, where the Committee on the Status of Endangered Wildlife in Canada (COSEWIC) has listed it as a species of special concern. The Canadian Species at Risk Act listed it in the List of Wildlife Species at Risk as being a species of special concern in Canada in 2003, and as endangered in 2010.[4][5]
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References
- "Gonidea angulata". NatureServe. Retrieved 2016-07-08.
- Lea, I. 1838. Description of new freshwater and land shells. American Philosophical Society, Transactions 6: 1-111.
- COSEWIC 2003. COSEWIC assessment and status report on the Rocky mountain ridged mussel Gonidea angulata in Canada. Committee on the Status of Endangered Wildlife in Canada. Ottawa. vi + 29 pp. (www.sararegistry.gc.ca/status/status_e.cfm) http://www.sararegistry.gc.ca/virtual_sara/files/cosewic/sr_rocky_mount_ridged_mussel_e.pdf
- COSEWIC. 2005. Canadian Species at Risk. Committee on the Status of Endangered Wildlife in Canada. 64 pp., page 27.
- COSEWIC. 2011. Archived 2011-09-30 at the Wayback Machine. COSEWIC, Committee on the Status of Endangered Wildlife in Canada
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