Marine molluscan genera of western North America /
Keen, A. Myra 1905-
Marine molluscan genera of western North America / A. Myra Keen & Eugene Coan - 2nd ed. - Stanford, Cal : Stanford University Press, 1974 - vi, 208 p. : ill. ; 24 cm .
Includes bibliographical references and indexes
0804708398
73-080625
Mollusks--Identification--Pacific Coast (North America)
Marine molluscan genera of western North America / A. Myra Keen & Eugene Coan - 2nd ed. - Stanford, Cal : Stanford University Press, 1974 - vi, 208 p. : ill. ; 24 cm .
Includes bibliographical references and indexes
0804708398
73-080625
Mollusks--Identification--Pacific Coast (North America)