Trondheimsfjorden, Trondheim-Ytterøya (Ytterøen), Norway
latitude: 63.566334
longitude: 10.888333
[Precision of location: Place-name in gazetteer]
[Site Named Here By name of site (or city, etc.)]
| Ulianinia mollissima | prior to 1963 | 100 m | mud | |
| Ulianinia westbladi | 1963 or earlier | 100 m | mud | Trondheim, north of Ytterøen. |
| Macrostomum balticum | 1976 or earlier | Norwegen. Trondheimsfjord. Salzwiese in der Nähe von Selva. |