Overlapping markers can be separated by clicking on them.
Hovering the cursor over a marker will show the site's name.
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 | Plum Island, Massachusetts, USA | late 1960 s | spotty distribution, occurs in abundance where the dominant sand particle size is between 0.5 and 1.0 mm. | Riser NW (1981) 143 | ||||
| B | Manomet Beach, Monomet, Massachusetts, USA | late 1960 s | type locality | spotty distribution, occurs in abundance where the dominant sand particle size is between 0.5 and 1.0 mm. | Riser NW (1981) 143 |