1. Eledone cirrhosa. Flexible “bones”, 60mm and 40mm long, from 660mm long animal; vestigial remains of ancestral internal shell. April 1974. Scapa Flow, Orkney.
2. Eledone cirrhosa. Flexible “bones”, 60mm and 40mm long, from 660mm long animal; vestigial remains of ancestral internal shell. April 1974. Scapa Flow, Orkney.

Eledone cirrhosa. Flexible “bones”, 60mm and 40mm long, from 660mm long animal; vestigial remains of ancestral internal shell. April 1974. Scapa Flow, Orkney.