This is a small and enrolled Acernaspis copperi from Lower Silurian. This trilobite comes from Jupiter formation in Quebec.This is a nice small enrolled bug sleeping on an ancient seafloor.

Nice, trilobite fantastically prepared by Alex Zagar.

 

Acernaspis cf Orestes (Billings, 1860)

Early Silurian 

Jupiter Formation

Anticosti island

Northeast Quebec

Canada