Publication: Abhandlungen herausgegeben vom naturwissenschaftlichen Vereine zu Bremen. 2: 490. 1871.
Origin: Introduced from tidewaters in eastern North America
selected vouchers: WS
Notes: Specimens assigned to this name in Washington are likely misidentified. This species is native to brackish waters in eastern North America, so unlikely to persist in freshwater in Washington.
References: (none)