Fantastic, high grade species example of this ultra rare Ordovician spiny trilobite. Fantastic well detailed examples. Comes with a display stand and a species/locality label. Found:- Ktaoua Formation, Lower Ordovician, Tazzarines, Nr. Alnifi, Atlas Mountains, Morocco, North Western Africa. Age:- 470 Million Years Old. Size of trilobite (including tail spines)= 6.4 cm (2.5 inches) long. Overall = 9.5 cm (3.75 inches) wide by 10.8 cm (4.25 inches) high.