|  | site | site # (info) | collection date | kind | depth | substrate | salin | comments | reference | 
| A | East Coast of Scotland, United Kingdom | 1211 
  map | 1821 |  |  |  |  |  | Fleming J (1823): | 
| B | Tor (Tor Bank), Red Sea | 1737 
  map | prior to 1831 | type locality |  |  |  |  | Ehrenberg CG (1831): ; from Prudhoe S (citation)- page 82 | 
| C | Scilly Islands (Sillies, Isles of Scilly), United Kingdom | 2436 
  map | 1902 or earlier |  |  |  |  | 2 specimens in 1 vial (V 6016) collected by Michaelsen 1902. | Faubel A (1983): 84 | 
| D | Suez Canal (Qanat as Suways, Qana el Suweis), Egypt | 2797 
  map | 1924 |  |  |  |  |  | Palombi A (1928): [location from Louise Bush notes on literature for this species, see card or notes] | 
| E | Suez Canal (Qanat as Suways, Qana el Suweis), Egypt | 2797 
  map | 1924 |  |  |  |  |  | Palombi A (1928): [location from Louise Bush notes on literature for this species, see card or notes] | 
| F | Scilly Islands (Sillies, Isles of Scilly), United Kingdom | 2436 
  map | 1902 or earlier |  |  |  |  | 2 specimens in 1 vial (V 6016) collected by Michaelsen 1902. | Faubel A (1983): 84 | 
| G | North Chapel Rocks (of the Day Mark), Saint Martin's Island  (St. Martins, Saint Martins), Scilly Islands (Sillies, Isles of Scilly), United Kingdom | 2805 
  map | May 12-16, 2002 |  | 20 m |  |  | Site 8, sublittoral, Cellaria sp. (Bryozoa) growing on Eunicella verrucosa (pink seafan).  Sediment and aufwuchs settled on Laminaria holdfasts, algae, Porifera and Cnidaria were sampled.  Sublittoral samples by SCUBA. | Faubel A, Warwick RM (2005): 3 | 
| H | Sveti Andrija (Isola Sant'Andrea, Crveni Otok, Isola Rossa ), Otocic, Croatia | 2071 
  map | 1933 or earlier |  | 15 m | stone, mussel shell |  |  | Steinböck O (1933): 19 | 
| I | Val di Cuvi (Kuzijski Zaliv, Uvala Kuvi), Rovinj region, Adriatic, Croatia | 1561 
  map | 1933 or earlier |  |  | coarse sand, shell |  |  | Steinböck O (1933): 19 | 
| J | Trieste, Italy | 262 
  map | 1933 or earlier |  |  |  |  |  | Steinböck O (1933): 19 | 
| K | Suez Canal (Qanat as Suways, Qana el Suweis), Egypt | 2797 
  map | 1928 or earlier |  |  |  |  |  | Palombi A (1928): abstract | 
| L | Saint Malo (St. Malo), northwest, France | 1770 
  map | 1868 or earlier |  |  |  |  |  | Keferstein W (1868): | 
| M | tide pools, Wembury Bay, United Kingdom | 4964 
  map | Aug-Sep 1892 |  |  |  |  | Among sand at the base of Corallina officinalis, curious colour-varieties of Leptoplana tremellaris.... | Gamble FW (1893): 32, 45-46 | 
| N | tide pools, Wembury Bay, United Kingdom | 4964 
  map | Aug-Sep 1892 |  |  |  |  | Tow-netting in the narrow creeks that run in between the rocks produced young specimens of Leptoplana tremellaris, Convoluta paradoxa, Plagiostoma vittatum, and Cylindrostoma inerme. | Gamble FW (1893): 32-33 | 
| O | Plymouth Sound Breakwater, United Kingdom | 4965 
  map | Aug-Sep 1892 |  |  |  |  | adult and young.  Captured using a hand-net worked vigorously among the weeds at low water from the dinghy. | Gamble FW (1893): 32-34 | 
| P | New Grounds, Plymouth Sound, United Kingdom | 4966 
  map | Aug-Sep 1892 |  |  |  |  | New Grounds, north of the west entrance to the [Plymouth] Sound. | Gamble FW (1893): 35 | 
| Q | Duke Rock, Plymouth Sound, United Kingdom | 4967 
  map | Aug-Sep 1892 |  |  |  |  | Duke Rock, situated in 7 fathoms at the east entrance of the Sound, forms one of a number of dredging-grounds inside the Sound.. | Gamble FW (1893): 35-36 | 
| R | Drake's Island (Saint Nicholas's Island), United Kingdom | 278 
  map | Aug-Sep 1892 |  |  |  |  | Drake's Island, north-eastern face of this locality.  Adult and young. | Gamble FW (1893): 36 | 
| S | Hamoaze estuary, United Kingdom | 1333 
  map | Aug-Sep 1892 |  |  |  |  | The Hamoaze.  Stones and debris covered with mud-tubes of Polydora caeca, tenanted, however, by an Amphipod, Corophium Bonellii. | Gamble FW (1893): 37 | 
| T | Millbay Channel, Plymouth Sound, Plymouth, United Kingdom | 4970 
  map | Aug-Sep 1892 |  |  |  |  | Millbay Channel, This channel (varying in depth from 18-21 fathoms)...  Abundant. | Gamble FW (1893): 38 | 
| U | coast of Belgium | 5009 
  map | 1859 or earlier |  |  |  |  | faune littorale de Belgique. | Beneden P-J van (1861): 42 | 
| V | lagoon of Tunis between the city of Tunis and the Gulf of Tunis (Khalij Tunis), Tunisia | 6060 
  map | 2009 or earlier |  |  | under rocks |  | lagoon | Gammoudi M, Tekaya S, Noreña C (2009): 49 | 
| W | Las Represas beach, Tapia de Casariego (Asturias), Cantabrian coast (North Atlantic) of the Iberian Peninsula, Spain | 7344 
  map | Sep-Nov 2012 |  |  |  |  | Intertidal zone among sand and gravel under boulders. | Marquina D, Fernández-Álvarez FA, Noreña C (2015): 318 | 
| X | Liman-Iskele (Liman-İskele), Sinop Peninsula, Turkey, Black Sea | 7692 
  map | 22.10.2013, 12.05.2014 |  | 5 m | mussel bed |  |  | Gammoudi M, Bulnes V, Kurt G (2021): 152 | 
| Y | Beluji ledge, Karachi, Pakistan | 8072 
  map | 2021 |  |  | rocky ledge |  |  | Naz F, Saher NU (2022): 309 |