Trilobite Fossil. Elrathia sp.. Cambrian. Marjum Formation. House Range, Millard County. Utah, USA. 3....

Description

Trilobite Fossil
Elrathia sp.
Cambrian
Marjum Formation
House Range, Millard County
Utah, USA
3.70 x 3.09 x 0.22 inches (9.40 x 7.85 x 0.56 cm)

This classic Trilobite of the genus Elrathia comes from the Cambrian-aged Marjum Formation of Utah's House Range. The fossil is well defined, showing the smooth axial ridge and finely segmented pleurae characteristic of this iconic species. Set within a natural slab of fine-grained shale, the specimen displays strong contrast between fossil and matrix, enhancing its visual appeal. Elrathia Trilobites are among the most recognizable of all Paleozoic arthropods, valued for their symmetry, completeness, and distinctive form. This is an attractive and representative example from one of North America's most famous Cambrian localities.

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