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| site | collection date | depth | substrate | salin | locality kind | comments | reference | |
|---|---|---|---|---|---|---|---|---|
| A | Wissahicken Creek , near Philadelphia, USA | Sep 17, 1930 | stones | freshwater | type locality | worms were found under the stones with sexually mature specimens of Curtisia foremanii (=Planaria simplissima) and many hatched specimens of Procotyla fluviatilis. Only found near Orland village. | Hyman LH (1931) 337, 338 |