Marrella splendens
Middle Cambrian
Burgess Shale, Stephens Formation
Field, British Columbia BC Canada.

13mm iconic Burgess Shale specimen on 31mm slab. No restoration, no repair. An excellent example of this rare fossil.

Perhaps the most famous of all animals from the Burgess Shale, Marrella is an extinct genus of arthropod apparently found only in the Burgess Shale although related forms (marrellamorphs) are known from elsewhere in place and in time.

See: Marrella – Wikipedia