Lower Ordovician Al Rose Formation

Inyo County, California

Here's a mostly complete trilobite. Collected from the Lower Ordovician Al Rose Formation, Inyo County, California. Called scientifically, gernus Globampyx. The Al Rose Formation yields several species of Early Ordovician trilobites; in the specimen above, the distinctive reddish-brown coloration is due to preservation by the iron mineral limonite.

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