Lonchocephalus Trilobites

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Lonchocephalus plena

Weeks Formation

Millard County, UT
Cambrian

 

Here is a very diminutive and extremely rare trilobite that hardly anyone knows about.  The Lonchocephalus is known from only a few examples and is found in one or two specific layers in the Weeks Formation. This trilobite measures 3/16" long and has an occipital spine and three axial spines