Trilobite Perenopsis interstrictus from Utah

Description

Trilobite Perenopsis interstrictus assemlage for sale. 5 complete one very small one and parts of the Trilobite are present. A part of the Trilobite Elrathia kingii is also present.

Perenopsis interstrictus occurs in the mid Cambrian Wheeler Shale of Utah. The Wheeler Shale is named after the town of Wheeler. They are about 507 million years of age.

The Trilobite Perenopsis interstrictus is a rather small Trilobite. They are about  6 mm, or around 0.2″ inch long. The Trilobite has only 2 segments between Head and tail. This is characteristic for the order of the Agnostida.

Short information on the Trilobite species of the Wheeler Shale can be found here: https://www.trilobites.info/Utah.htm

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Additional information