Inner margin of shell showing crenulate edge

Steve Wilkinson
Specimen collected by Jan Light from Herm, Channel Islands. Length = 50mm.
Steve Wilkinson
Specimen collected by Jan Light from Herm, Channel Islands. Length = 50mm.
Steve Wilkinson
Specimen collected by Jan Light from Herm, Channel Islands. Length = 50mm.
Steve Wilkinson
Specimen collected by Jan Light from Herm, Channel Islands. Length = 50mm.
Steve Wilkinson
Specimen collected by Celia Pain collection from North Irish Sea, off Island Magee. Length = 135mm.
Steve Wilkinson
Specimen collected by Celia Pain collection from Sandwich Bay, Kent. Length = 91mm.
Steve Wilkinson
Specimen collected by Celia Pain collection from Dogger Bank. Length = 106mm.
Steve Wilkinson
Specimen collected by Celia Pain collection from Dogger Bank. Length = 110mm.
Steve Wilkinson
Specimen collected by Celia Pain collection from Off Shetland 70fms. Length = 119mm.
Steve Wilkinson
Specimen collected by Celia Pain collection from Dogger Bank. Length = 135mm.
Steve Wilkinson
Specimen collected by Celia Pain collection from Off Whitby Yorkshire. Length = 96mm.