21047 - Rare Parabathycheilus cf. gallicus Lower Ordovician Fezouata Fm KemKem_Sawfish and the matrix is below
Yard notes & kiln story
Description
21047 Rare Parabathycheilus cf. gallicus Lower Ordovician Fezouata Fm KemKem_Sawfish and the matrix is below and the matrix is below to 70 μm They were obligate encrusters and attached themselves to inorganic or biologic hard substrates (frequently hardgrounds or brachiopods)