Invasion

Invasion Description

1st Record: Woods Hole/MA/Buzzards Bay-Vineyard Sound (1875, Gray 1879, cited by Ganong 1897)

Geographic Extent

Woods Hole/MA/Buzzards Bay-Vineyard Sound (1875, Gray 1879, cited by Ganong 1897, only 2 shells found in 1875, abundant in 1876); Martha'ss Vineyard/MA/Vineyard Sound (USNM 153596, U.S. National Museum of Natural History 2007); Falmouth/MA/Great Pond (1963, USNM 660504, , U.S. National Museum of Natural History 2007)