BIOTIC Species Information for Paludinella litorina
Researched byNicola White Data supplied byMarLIN
Refereed byDennis R. Seaward
Distribution and Habitat
Distribution in Britain & IrelandRecorded from the Isle of Wight, the Fleet, North Devon, South Devon, Pembrokeshire, Cornwall and Isles of Scilly.
Global distributionPrimarily a Mediterranean species (absent from the Black Sea) which extends along Eastern Atlantic coasts from Madeira north to a limit on the south coast of England.
Biogeographic rangeNot researched Depth rangeNot relevant
MigratoryNon-migratory / Resident   
Distribution Additional InformationPaludinella litorina is probably under-recorded due to its small size, inaccessible habitat and the similarity of its shell to that of Littorina saxatilis. An update on the distribution of Paludinella litorina has been compiled by Light & Killeen (2001). Frequent molluscan associates are the pulmonate Otina ovata in the crevice or cave habitat, and the pulmonates Ovatella myosotis and Leucophytia bidentata and prosobranch Truncatella subcylindrica in shingle interstices. Other species particularly associated with Paludinella litorina are the Isopoda Ligia oceanica in cave habitats (unless Ligia oceanica is excessively dominant, then Paludinella litorina is excluded), and Bdella mites in the interstitial habitat of the upper shore shingle or boulders (Light & Killeen, 2001).

Substratum preferencesBedrock
Under boulders
Crevices / fissures
Gravel / shingle
Physiographic preferencesOpen coast
Isolated saline water (Lagoon)
Biological zoneSupralittoral
Upper Littoral Fringe
Lower Littoral Fringe
Wave exposureSheltered
Tidal stream strength/Water flowWeak (<1 kn)
Very Weak (negligible)
SalinityVariable (18-40 psu)
Habitat Preferences Additional Information
Distribution References Barnes, 1994, Light, 1998, Light & Killeen, 1997, Light & Killeen, 1998, Fretter & Graham, 1978, Seaward, 1991, Light & Killeen, 2001, Moore, 2002,
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