Fossilised Gastropods, possibly marine.

Fossilised Gastropods, possibly marine.

Observation - Fossilised Gastropods, possibly marine. - UK and Ireland. Description: Once upon a time it was 'marine habitat', now sedimentary limestone quarried for 11th. century church wall.

Once upon a time it was 'marine habitat', now sedimentary limestone quarried for 11th. century church wall.