Olenoides serratus
Trilobite
Middle Cambrian
Burgess Shale, Stephens Formation
Field, British Columbia, Canada

Big 68mm trilobite on 96mm slab.

Olenoides is a well-known trilobite genus of the Middle Cambrian.  Because of the remarkable preservation of the soft anatomy of organisms in the Burgess Shale, paleontologists know a lot about it.  Olenoides specimens have also been collected in Utah, Pennsylvania, and Russia.

You said you wanted a trilobite from the Burgess.  Here it is.  Don’t wait too long.