Invasion

Invasion Description

1st Record: Point Wilson/CA/San Pablo Bay (1933; Allen Hancock Foundation, Carlton 1979)

Geographic Extent

Berkeley/CA/San Francisco Bay (USNM 20214, Type Locality of Polydora amarincola Hartman); Point Wilson/CA/San Pablo Bay (1933, Point Wilson/CA/San Pablo Bay (1933, Allen Hancock Foundation, Carlton 1979, Carlton 1979); Rodeo, Contra Costa County/CA/San Pablo Bay (1972, CAS-IZ 733.00, California Academy of Sciences 2015, as P. ligni; Nichols and Thompson 1985a); Fruitvale Brodge, Oakland/CA/Oakland estuary (1940, Graham and Gay 1945); Oakland/CA/Lake Merritt (Hartman 1941); Elsie Roemer Marsh, Alameda/CA/San Francisco Bay (2001, Neira et al. 2005, 37°45’ 35’’N, 122° 28’ 48’’ W); Alameda County/CA/off Coyote Hills Slough, South San Francisco Bay (1973, CAS-IZ 122806.00, California Academy of Sciences 2015, as P. ligni); San Mateo marsh/CA/South South San Francisco Bay (2001, Neira et al. 2005, 37° 41’ 11’’ N, 122° 17’ 06’’ W); Santa Clara County/CA/Charleston Slough, South San Francisco Bay (1973, CAS-IZ 123033.00, California Academy of Sciences 2015, as P. ligni); Solano County/CA/Carquinez Strait (Flilice 1958, cited by Light 1977); Solano County/CA/Carquinez Strait disposal site/CA/Carquinez Strait (1973, CAS-IZ 8354.00, California Academy of Sciences 2015); CA/San Francisco Bay (201, 2013, 2014, 205, Ruiz and Geller 2021)