map| site | site # (info) | collection date | kind | depth | substrate | salin | comments | reference | |
|---|---|---|---|---|---|---|---|---|---|
| A | Churchill, northern Manitoba, Canada | 1414map | Jul 1936 | type locality | freshwater | large numbers collected by H.E. McClure of Peru, Illinois. 'The worms were found in abundance in fresh-water pools on the tundra near Churchill'.... | Hyman LH (1938): 1,8 |