site | site # (info) | collection date | kind | depth | substrate | salin | comments | reference | |
---|---|---|---|---|---|---|---|---|---|
A | Great Harbor, Woods Hole, Massachusetts, USA | 1155 map | 1964 or earlier | subtidal below the low tide mark | mud | Bush LF (1964): | |||
B | Indian Bar (west side) near park rangers house, Cape Rosier, Maine, USA | 353 map | July 23, 2003 | coarse, small rock beach sorted by size of rocks | subtidal, small coarse rock | : Hooge (unpublished) | |||
C | Woods Hole,Cape Cod, Massachusetts, USA | 223 map | between May and Aug 1907 | type locality | sand | in sand in Ulva and sea grass | Graff Lvon (1911): 327 | ||
D | Provincetown Harbor, Cape Cod Bay, Near Provincetown, Massachusetts, USA | 2867 map | May 3, 2005 | intertidal, LWL | med/coarse sand | many small snails present on surface of sand | : Hooge (unpublished) |