Colpocoryphe deani (see Gravicalymene deani Ingham 1977)
Fine complete 3D Trilobite on green shale. Nice preservation and detail.
Lower Ordovician, Lower Arenig Series. Zone M.
Cessenon, River .Orb, Montagne Noire Dept (34), France.
Trilobite : 1.1 cm long.
