This is a super nice quality of Gabriellus kierorum trilobite from Rosella formation in Canada.
there are many specimens on web but sometimes the quality is not so nice. please take a look to this incredible Bug.
Atan Group Dease River
northern British Columbia
Gabriellus kierorum cambrian Trilobite of Canada
size: 4 cm !!! slab 13cm x 13 cm
restoration: No restoration
preprator: David Comfort and Alex Zagar