This is a nice and large trilobite of the species Neseuretus tristani from the Ordovizian of Spain. The frontal lobe of the cephalic is servile time glued and in a partial casted from the external mould.
|Puerto San Vinicente, Spain|
|Size trilobite:||about 78 mm long,|
|Age:||Middle Ordovician , Llandailo (about. 464. Ma)|