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This Specimen has been sold.
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1.95" Wide, Enrolled Isotelus Trilobite - Indiana
This is an enrolled Isotelus maximus from Oldenburg, Indiana. If it were outstretched it would be around 2.9" long. Both genal spines and a portion of shell are missing between the rock and fossil.
Isotelus maximus is the the official state fossil of Ohio.
Isotelus maximus is the the official state fossil of Ohio.
About Trilobites
Trilobites were a very diverse group of extinct marine arthropods. They first appeared in the fossil record in the Early Cambrian (521 million years ago) and went extinct during the Permian mass extinction (250 million years ago). They were one of the most successful of the early animals on our planet: over 25,000 species have been described, filling nearly every evolutionary niche. Due in large part to their hard exoskeletons (shells), they left an excellent fossil record.
Trilobites were a very diverse group of extinct marine arthropods. They first appeared in the fossil record in the Early Cambrian (521 million years ago) and went extinct during the Permian mass extinction (250 million years ago). They were one of the most successful of the early animals on our planet: over 25,000 species have been described, filling nearly every evolutionary niche. Due in large part to their hard exoskeletons (shells), they left an excellent fossil record.
SPECIES
Isotelus maximus
AGE
LOCATION
Oldenburg, Indiana
FORMATION
Richmond Formation
SIZE
1.95" wide, about 2.9" long if outstretched
CATEGORY
SUB CATEGORY
ITEM
#325793
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