2.2" Asaphus Lepidurus Trilobite With Molting Carapace - Russia

This is a nice, 2.2" long Asaphus lepidurus trilobite fossil. It was collected from the Putilovo quarry in the St. Petersburg region of Russia. It's very 3D and the caramel colored shell contrasts nicely with the light colored limestone. A unique aspect of this piece, is that it's molting carapace is preserved right next to it. It died in the process of molting.

Photo of the Putilovo quarry, near St. Petersburg Russia where this trilobite was found.
Photo of the Putilovo quarry, near St. Petersburg Russia where this trilobite was found.

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
Asaphus lepidurus
LOCATION
Putilovo quarry, St. Petersburg region, Russia
SIZE
2.2" long
SUB CATEGORY
ITEM
#151891
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