Molluscs are soft-bodied invertebrates, which can be found in terrestrial, freshwater and marine habitats. The Phylum Mollusca is large and diverse, including terrestrial slugs and snails, bivalves, chitons, sea snails, nudibranchs, limpets and Cephalopods (octopus, cuttlefish and squid).

The Yorkshire Conchological Society, affiliated to the YNU, concentrates on land and freshwater snails and slugs.

The group records the distribution of land Mollusca and maintains county species databases and distribution maps.


Molluscs Section Menu

Some Yorkshire Slugs

Photographs of some Yorkshire slugs


The Yorkshire Conchological Society: membership and contacts.


News from the Conchological Section

Links and Downloads

Species checklists and useful websites


Conchological Section Events

The Yorkshire Conchological Society

History of the Yorkshire Conchological Society


Notes on mollusc distribution in Yorkshire