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Rocky Mountain Ridged Mussel (Gonidea Angulata)


Assessment and Status Report

on the

Rocky Mountain Ridged Mussel

Gonidea Angulata

in Canada



Rocky Mountain Ridged Mussel (Gonidea angulata)






COSEWIC status reports are working documents used in assigning the status of wildlife species suspected of being at risk.  This report may be cited as follows:

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.  (https://www.registrelep-sararegistry.gc.ca/sar/assessment/status_e.cfm)

Production note:

COSEWIC would like to acknowledge Terrence J. Frest and Virgil C. Hawkes for writing the status report on theRocky Mountain Ridged Mussel Gonidea angulata in Canada, prepared under contract with Environment Canada, overseen and edited by Gerry L. Mackie, COSEWIC Molluscs Specialist Subcommittee Co-chair.


For additional copies contact:

COSEWIC Secretariat
c/o Canadian Wildlife Service
Environment Canada
Ottawa, ON
K1A 0H3

Tel.: (819) 997-4991 / (819) 953-3215
Fax: (819) 994-3684
E-mail: COSEWIC/COSEPAC@ec.gc.ca

Également disponible en français sous le titre Évaluation et Rapport de situation du COSEPAC sur la gonidée des Rocheuses (Gonidea angulata).

Cover illustration:
Rocky mountain ridged mussel -- Drawing of Gonidea anuglata (from Burch 1975).

©Her Majesty the Queen in Right of Canada 2004
Catalogue No. CW69-14/370-2004E-PDF
ISBN 0-662-37080-5
HTML: CW69-14/370-2004E-HTML

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