Outstanding PTYCHAGNOSTUS from the Marjum Formation of Utah


1 in stock


The detail is outstanding. Coloration of this PTYCHAGNOSTUS is also spectacular.

This trilobite is a wonderful quality PTYCHAGNOSTUS. This is an exceptional trilobite that exhibits superb detail. It is exceptionally inflated. Please look closely at the exquisite detail.

Here is a quite common yet very desirable trilobite from the Cambrian Period, the “Age of Trilobites.”  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.

The trilobites is 3/16  Inches long on an irregular piece of matrix 1 1/2  by 2 3/4 inches. It is superbly inflated and detailed exquisitely.

It comes in this handsome 4 1/4 x 5 1/4 inch glass-topped leatherette collectors case.

Middle Cambrian
Marjum Formation
Millard County