basis of recordMayhew, R.; Cole, F. (1995). A taxonomic discussion and update of shell-bearing marine molluscs recorded from NW Atlantic North of Cape Cod (excluding Greenland), and Canadian Arctic Archipeligo. <em>Of Sea and Shore.</em> 18(2): 99-116., available online athttps://www.conchology.be/?t=8004&year=1995&volume=18&volumeno=2&ofsea=12667[details] Available for editors [request]