Description

Elrathina permulta
Trilobite
Middle Cambrian
Burgess Shale, Stephens Formation
Field, British Columbia, Canada

9mm trilobite on 75mm slab. Rare.

Arthropod.

Elrathina is a genus of trilobite best-known from the Burgess Shale.  It has also been reported from the Middle Cambrian of Utah (first known from the Wheeler Shale) and Montana.

This one is still scooting out from under a chip of matrix.