Invasion

Invasion Description

1st Record: Coyote Point/CA/San Francisco Bay (one dead shell, along with dead shells of Mercenaria and Argopecten - Wicksten 1976, cited by Carlton 1979, probably introduced in 1800s)

Geographic Extent

Coyote Point/CA/San Francisco Bay (one dead shell, along with dead shells of Mercenaria and Argopecten- Wicksten 1976. cited by Carlton 1979, probably introduced in 1800s)