BIOTIC

BIOTIC Species Information for Truncatella subcylindrica
All Taxonomy Biology Distribution Reproduction

Researched by	Nicola White	Data supplied by	MarLIN
Refereed by	Dennis R. Seaward
Distribution and Habitat
Distribution in Britain & Ireland	Recorded from Pagham Harbour, West Sussex; The Solent, Isle of Wight, The Fleet, Dorset and St Mawes Bay, Cornwall.
Global distribution	From the Channel coasts of France and Britain to the Mediterranean, the Black Sea, and on the Canaries, Madeira and Azores.
Biogeographic range	Not researched	Depth range	Insufficient information
Migratory	Non-migratory / Resident
Distribution Additional Information	Formerly known from 12 sites in Britain, from Porthcurno along the south coast to the rivers Orwell and Deben, Suffolk. Presently known to be living in only five locations. It is a southern species which reaches its most northerly distribution in Britain. Paludinella litorina, Ovatella myosotis and Leucophytia bidentata are associates.

Substratum preferences	Gravel / shingle Mud	Physiographic preferences	Estuary Isolated saline water (Lagoon)
Biological zone	Upper Littoral Fringe Lower Littoral Fringe	Wave exposure	Sheltered
Tidal stream strength/Water flow	Very Weak (negligible)	Salinity	Variable (18-40 psu)
Habitat Preferences Additional Information
Distribution References	Barnes, 1994, Killeen & Light, 1998, Fretter & Graham, 1978, Seaward, 1991,