Invasion

Invasion Description

1st Record: Troy/NY/Hudson River (Aldrich 1869, cited by Strayer 1987; ANSP 27361, Academy of Natural Sciences of Philadelphia 2013)
NY/Mohawk River (1863, MCZ Malacology 233707, Museum of Comparative Zoology 2013)

Geographic Extent

Mohawk/NY/Mohawk River (Lewis 1872, cited by Strayer 1987; Troy/NY/Hudson River (Aldrich 1869, cited by Strayer 1987; ANSP 27361, Academy of Natural Sciences of Philadelphia 2013); Hudson/NY/Hudson River (Townes 1937, cited by Strayer 1987, dead shells only); Poughkeepsie to Albany/NY/Hudson River (2008, Coote and Strayer 1987, only one shell found)