805 Aikerness limpet shell

805 Aikerness limpet shell

Observation - 805 Aikerness limpet shell. Description: This limpet shell was fastened to the rock some way above the high tide line but within reach of spray from waves. I am wondering just what the filaments fastening it to the rock can be. They were brittle and perhaps made of calcium carbonate. How would t

This limpet shell was fastened to the rock some way above the high tide line but within reach of spray from waves. I am wondering just what the filaments fastening it to the rock can be. They were brittle and perhaps made of calcium carbonate. How would they have been formed in such an exposed situation?