Brachiopod Leptagonia depressa
A common Brachiopod. This one is approx 2.5 cms across. As a group Brachiopods have been around for 500 Million Years. The group is limited to a few species today.
Silurian Limestone 450-400 Million years BP Formed by shallow warm sea conditions. Wenlock Edge Shropshire. UK
Taken 9th January 2012