Invasion

Invasion Description

1st Record: Vacation Isle, San Diego/CA/Mission Bay (1991, Hertz and Hertz 1992, 1 specimen, living, chipped shell, as if dropped by a bird?)

Geographic Extent

Vacation Isle, San Diego/CA/Mission Bay (1991, Hertz and Hertz 1992, 1 specimen, living, chipped shell, as if dropped by a bird?)