| site | site # (info) | collection date | kind | depth | substrate | salin | comments | reference | |
|---|---|---|---|---|---|---|---|---|---|
| A | May Cove (May Creek, Maiviken), Cumberland Bay, South Georgia and South Sandwich | 2836 | May 5, 1902 | type locality | SMNH 4630, a specimen sectioned parasagitally, labeled P. lutheri Böhmig by Westblad 1952; Several poorly preserved specimens collected by SSP and labeled P. lutheri by Westblad. | Karling TG, Jondelius U (1995): 153 |