Flat snail species?

Flat snail species?

Observation - Flat snail species? - UK and Ireland. Description: The photos don't do this snail much justice; the shell was quite flat as opposed to the bulbous shape you get with a common garden snail, for example.

The photos don't do this snail much justice; the shell was quite flat as opposed to the bulbous shape you get with a common garden snail, for example.