Submitted by: David Thompson
Taxon: Strophodonta demissa
Submit date: 2014-10-02
Location (approximate): Milan, Washtenaw, MI
Stratigraphy: Silica Formation
Age: Erian (Middle Devonian)
Submitter notes: This is the brachial (top) valve with an intact Petrocrania hamiltonae snugly in place. It is unusual to have inarticulates on both valves of a brachiopod.