Shellfish?

Shellfish?

Observation - Shellfish? - UK and Ireland. Description: Cluster of soft shell type things. Whole thing is about four inches across. Found in sand left by outgoing tide. Weather had been very windy and several of these things were washed up.

Cluster of soft shell type things, each on a short 'stalk' attached to a white central 'ball'. Whole thing is about four inches across. Found in sand left by outgoing tide. Weather had been very windy and several of these things were washed up. Are they perhaps fish eggs of some sort?