Sneken
Sneken (Gastropoda) san ian faan aacht klasen faan a wokdiarten. Jo wurd tesken 0,5 mm an 75 cm grat.

Onerklasen 
Caenogastropoda – Heterobranchia – Neomphaliones – Neritimorpha – Patellogastropoda – Vetigastropoda

Enkelt ordern, familin, sköölen an slacher 
 Littorinimorpha
 Hydrobiidae
 Peringia
 Waassnek (Peringia ulvae)

 Pulmonata (Longsneken)
 Arionidae
 Arion
 Smeerpötje (Arion ater)
 Helicidae
 Helix
 Winberagsnek (Helix pomatia)

 Patellogastropoda
 Patellidae
 Patella
 Patella vulgata
 Patella candei

 Sorbeoconcha
 Buccinidae
 Buccinum
 Kinkhurn (Buccinum undatum)
 Littorinidae (Strunsneken)
 Littorina
 Grat Strunsnek, Hölker (Littorina littorea)
 Ranellidae
 Charonia
 Tritonhurn (Charonia tritonis)
 Turbinellidae
 Syrinx
 Syrinx aruanus

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