| site | site # (info) | collection date | kind | depth | substrate | salin | comments | reference | |
|---|---|---|---|---|---|---|---|---|---|
| A | Morehead City, NC, NW Atlantic | 10 | 26 Apr 1969 | 15 m | medium sand | sample E | Sterrer, W. (1998): | ||
| B | Big Pine Key, Florida, NW Atlantic | 7 | 29 Dec 1968 | type locality | 3 m | fine sand | sample F14 | Sterrer, W. (1998): | |
| C | Big Pine Key, Florida, NW Atlantic | 7 | 29 Dec 1968 | type locality | 0.5 m | clean coarse sand | sample F15 | Sterrer, W. (1998): |