Unidentified on beach 1

Unidentified on beach 1

Observation - Unidentified on beach 1 - UK and Ireland. Description: Found on northern beach on IOW. Reminds me of dog whelk egg cases but black. Other difference is pointed bit to each 'sac'.

Found on northern beach on IOW. Reminds me of dog whelk egg cases but black. Other difference is pointed bit to each 'sac'.