Invasion

Invasion Description

None

Geographic Extent

Great Britain and Ireland (Hincks, 1868; Allman, 1872; Russell, 1953, all cited by Schuchert 2006); Denmark (Kramp, 1935); Helgoland (Richters,1908); Holland (Vervoort, 1946), Belgium (Leloup, 1947), Atlantic coast of France (Dujardin, 1843; Billard, 1905; Teissier, 1965), all cited by Schuchert 2006