|  | site | site # (info) | collection date | kind | depth | substrate | salin | comments | reference | 
| A | east side Homer Spit, Resurrection Bay, Kenai Peninsula, Alaska, USA | 3639 
  map | Jul 16, 1988 | type locality |  | sand |  | Eastern shore and wadden area in the lower sandy shore. | Ax P, Armonies W (1990): 58 | 
| B | east side Homer Spit, Resurrection Bay, Kenai Peninsula, Alaska, USA | 3639 
  map | Jul 16, 1988 | type locality |  | mud |  | Eastern shore and wadden area abundand in intertidal mud with algal cover. | Ax P, Armonies W (1990): 58 | 
| C | east side Homer Spit, Resurrection Bay, Kenai Peninsula, Alaska, USA | 3639 
  map | Jul 16, 1988 | type locality |  | mud |  | Eastern shore and wadden area muddy sediment from a salt marsh pool (salinity 35 o/oo). | Ax P, Armonies W (1990): 58 | 
| D | salt marsh near 5th Avenue, Anchorage, Alaska, USA | 3640 
  map | Jul 13, 1988 |  |  | mud |  | Salt marsh at the northern shore next to the 5th Avenue; muddy sediment with algal cover. | Ax P, Armonies W (1990): 58 | 
| E | Hope, Resurrection Bay, Kenai Peninsula, Alaska, USA | 3635 
  map | Jul 19, 1988 |  |  | mud | brackish | Muddy wadden area in front of the salt marsh edge of erosion (12 to 15 o/oo). | Ax P, Armonies W (1990): 58 | 
| F | Pocologan, New Brunswick, Canada | 3587 
  map | Aug-Sep 1984 | default type |  | sand | brackish | Pocologan, brackish water bay.  Intertidal medium to coarse sand with detritus. | Ax P, Armonies W (1987): 40 |