Invasion

Invasion Description

None

Geographic Extent

New Brunswick/Kennebecasis River, St. John River Estuary (1972, USNM 48870, U.S. National Museum of Natural History 2015); Cobscook Bay State Park/ME/Cobscook Bay (1967, USNM 44124, U.S. National Museum of Natural History 2015); Lamoine Beach/ME/Eastern Bay, Gulf of Maine (Blake1971); ME/Damarsicotta River (Blake 1971); Gloucester/MA/Massachusetts Bay (1878, USNM 9201, U.S. National Museum of Natural History 2015); Revere/MA/Pines River (1967, USNM 50827, U.S. National Museum of Natural History 2015)