4 EXCEPTIONAL Diminutive BOLASPIDELLA sp. Trilobites


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These are 4 Exceptionally detailed and diminutive BOLASPIDELLA trilobites. These very small trilobites are not very common and if found usually mistaken for other species.
They are very nice trilobites from the Cambrian Period, the “Age of Trilobites”
Its distinct black color on a gray matrix makes the trilobite seem to jump off the shale rock matrix.

They lived, thrived, and became extinct MILLIONS of years before the age of dinosaurs!
Trilobites spanned a time that  covered 5 geological periods spanning over 300 million years of Earth’s history

BOLASPIDELLA trilobites are .23 inch, .21 inch, .18 inch and . 14 inch respectfully.  Set on an irregular shaped matrix block that is 2 1/8 by 1 1/4.

Classic trilobites from a classic location.

Cambrian Period
Wheeler Shale Formation
Millard County
Delta, Utah