2.2" Trimerus Trilobite Tail - New York

This is a tail of a large Trimerus delphinocephalus trilobite from the Rochester Shale of New York. It would have come from a trilobite around 6" long.

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.
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DETAILS
SPECIES
Trimerus delphinocephalus
LOCATION
Caleb's Quarry, Middleport, New York
FORMATION
Rochester Shale
SIZE
2.2" long
SUB CATEGORY
ITEM
#68559
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