Cambrian
            Fossils in the Bright
            Angel Shale

            
of
            Northern Arizona

            
SW
            Locality

            
Fossil
            Groups Section

            
 
Small slab containing so many Zacanthoides parts
that they overlap
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Updated 6/7/17
 
In this
            section, Ive assembled some shots of small slabs found at this
            locality in the trilobite horizon in the green shale facies.
            Nearly 100% of the specimens are Zacanthoides walapai, with a
            few hyolithids mixed in. I thought it might be fun to just have
            a page devoted to such spectacularly crowded slabs of just so
            many cambrian trilobites from Arizona! All images taken with
            Logitech web cam and high intensity LED lighting.
 

            

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Maybe they were following eachother? ;)
A good example of current alignment.
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