mapmap| site | site # (info) | collection date | kind | depth | substrate | salin | comments | reference | |
|---|---|---|---|---|---|---|---|---|---|
| A | Shackleford Banks, North Carolina, USA | 2561map | 1970 or earlier | type locality | 11 m | fine sand with detritus | off Beaufort, North Carolina; in front of Shackleford Banks. | Rieger RM (1974): 55 | |
| B | Wrightsville Beach, Wrightsville, North Carolina, USA | 1281map | 1970 or earlier | medium sand rich in detritus | sound side in front of water tower. surface layers. Specimen (littoral form) differs slightly in the shape of the proboscis and the measurement of the granules in the penis papilla. | Rieger RM (1974): 55 |