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1.5" Calymene Celebra Trilobite - Illinois
This is a Calymene celebra trilobite from Illinois preserved as an internal mold in Dolostone. These trilobites used to be fairly common, but over the decades the quarries they were collected from closed one by one and they are hard to find on the market now. This specimen is very 3D and has been prepared to remove it from the surrounding rock. There is a repaired crack through the trilobite.
Calymene celebra is the state fossil Wisconsin in 1985.
Calymene celebra is the state fossil Wisconsin in 1985.
About Trilobites
Trilobites are an extinct class of marine arthropods that thrived for nearly 270 million years, from the early Cambrian to the end of the Permian period (around 521 to 252 million years ago). They are one of the most successful and diverse groups in the history of life, with over 25,000 described species spanning a wide range of sizes, shapes, and ecological niches. Known for their distinctive, segmented exoskeletons, trilobites provide invaluable insights into the evolutionary history of arthropods and the dynamics of ancient marine ecosystems.
Trilobites are an extinct class of marine arthropods that thrived for nearly 270 million years, from the early Cambrian to the end of the Permian period (around 521 to 252 million years ago). They are one of the most successful and diverse groups in the history of life, with over 25,000 described species spanning a wide range of sizes, shapes, and ecological niches. Known for their distinctive, segmented exoskeletons, trilobites provide invaluable insights into the evolutionary history of arthropods and the dynamics of ancient marine ecosystems.
SPECIES
Calymene celebra
AGE
LOCATION
Grafton, Illinois
FORMATION
Niagaran Limestone
SIZE
1.5" long
CATEGORY
ITEM
#64031
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