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Clicking on a marker will show information available about the collection site. (Compare with corresponding letter in table.)
| site | collection date | depth | substrate | salin | locality kind | comments | reference | |
|---|---|---|---|---|---|---|---|---|
| A | Falmouth, Massachusetts, USA | between May and Aug 1907 | brackish | type locality | two specimens found behind the Episcopal Church. | Graff Lvon (1911) 362 |