Ancient Artifacts & Antiquities
Lot 300:
Rhaphidiophorus Hystrix Fossil from the Mazon Creek Site in Illinois
The Rhaphidiophorus hystrix fossil is a rare polychaete worm from the Mazon Creek fossil beds near Essex, Illinois. These fossils date back to the Middle Pennsylvanian Period ( Approx.. 300 million years ago). Measures 1 7/8". Both sides of the stone nodule that hold the fossil. Ex Field Museum of Natural History in Chicago. "HA" stands for the Hoard Anderson collection, one of the largest private collections of Mazon Creek fossils that was donated to the museum. Hoard donated his collection in 1978. At some point since then the Museum deaccessioned much of his collection to raise money for museum projects.
Condition: Authentic
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