Zacanthoides liddelli

Formation: Spence Shale, Miners Hollow,, Utah
Age: Cambrian
Size: 3 cms

Comments:

The Zacanthoides are very spectacular trilobites, in this Zacanthoides liddelli, as you can see in pictures is an spinose specimen, specially in the glabella area, it has a very high fosilitzation quality, as many of the trilobites from this formation.