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American Museum of Natural History
amnh.org
did:plc:qyp4ovoctdres2kbpv3cpcb7
It's time for Trilobite Tuesday. These 2-in- (5.1-cm-) long specimens—contained in a block of limestone from the Ordovician outcrops of Tennessee—are considered Gabriceraurus trilobites. Long viewed as an unidentified species of Ceraurus, such classifications can change based on new research.
2026-07-28T15:28:48.874Z