Slugs, Snails & Freshwater Bivalves


Slugs


Large Red Slug (Arion (Arion) rufus)
Large Red Slug
Arion (Arion) rufus
Brown Soil Slug
Arion (Kobeltia) distinctus
Green Cellar Slug
Limacus maculatus
Netted Slug
Deroceras (Deroceras) reticulatum
Dusky Slug
Arion (Mesarion) subfuscus
Tree Slug
Lehmannia marginata
Iberian Threeband Slug
Ambigolimax valentianus
Chestnut Slug
Deroceras (Deroceras) invadens
Tawny Soil Slug
Arion (Kobeltia) owenii 
Leopard Slug
Limax maximus
Balkan Threeband Slug
Ambigolimax nyctelius

Snails


Garden Snail Cornu aspersum
Garden Snail
Cornu aspersum
Kentish Snail
Monacha (Monacha) cantiana
Glossy Glass Snail
Oxychilus (Oxychilus) navarricus
Two-toothed Door Snail
Clausilia (Clausilia) bidentata
Wandering Pond Snail  Radix balthica
Wandering Pond Snail
Ampullaceana balthica
White-lipped Snail Cepaea hortensis
White-lipped Snail
Cepaea (Cepaea) hortensis
Strawberry Snail (Trochulus striolatus)
Strawberry Snail
Trochulus (Trochulus) striolatus
Cellar Snail
Oxychilus (Oxychilus) cellarius
Common Chrysalis Snail Lauria cylindracea
Common Chrysalis Snail
Lauria (Lauria) cylindracea
Great Pond Snail Lymnaea stagnalis
Great Pond Snail
Lymnaea stagnalis
Brown-lipped Snail (Cepaea nemoralis)
Brown-lipped Snail
Cepaea (Cepaea) nemoralis
Shiny Glass Snail
Zonitoides (Zonitoides) nitidus
Discus Snail Discus rotundatus
Discus Snail
Discus (Gonyodiscus) rotundatus
River Snail
Viviparus viviparus
Pfeiffer's Amber Snail Oxyloma elegans
Pfeiffer’s Amber Snail
Oxyloma (Oxyloma) elegans

Freshwater Bivalves


Asian Clam
Corbicula fluminea
Swollen River Mussel
Unio (Unio) tumidus
Duck Mussel
Anodonta (Anodonta) anatina
Painter’s Mussel
Unio (Unio) pictorum

Many thanks to Ben Rowson and Chris du Feu from iRecord who helped confirm and correct species where appropriate.


Useful AIDGAP reference books:

Slugs of Britain and Ireland by Ben Rowson, James Turner, Roy Anderson and Bill Symondson.
Land Snails in the British Isles by Robert Cameron.
Freshwater Bivalves of Britain and Ireland by Ian Killeen, David Aldridge and Graham Oliver.