A GEM Phacops trilobite from the Silica Shale Formation. Check out the detail of the compound eyes - Exceptionally preserved. The quality of the Silica Shale Fm. trilobites are incredible. A TOP QUALITY specimen from the Middle Devonian (380 mya), Silica Shale Fm. from Lucas Co., Ohio. You don't see too many Top Quality Phacops rana milleri trilobites for sale. A collector's must have item. Museum Quality. One of my favorites!
X101 Size: 1-5/8"