| Citation | Lappalainen, A. and P. Kangas, 1975 Littoral benthos of the northern Baltic Sea 2. Interrelationships of wet, dry and ash-free dry weights of macrofauna in the Tvaerminne area. Internationale Revue der Gesamten Hydrobiologie 60:297-312. |
| Ref. | 90540 Lappalainen, A. and P. Kangas, 1975 |
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| Named Used as Valid | Physa fontinalis |
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