Rare, 3.05" Ptychopyge Volkhovense Trilobite - Russia

This is a rarely seen Ptychopyge volkhovense trilobite from the Putilovo Quarry in the St. Petersburg Region of Russia. It's missing the right hand side of a couple of segments and has a pretty significant amount of shell restoration hence the bargain price for such a rare trilobite.

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 with over 25k currently described species, filling nearly every evolutionary niche. Due in large part to a hard exoskeleton (shell), they left an excellent fossil record.
DETAILS
SPECIES
Ptychopyge volkhovense (Balashova, 1964)
LOCATION
Putilovo Quarry, St. Petersburg Region, Russia
FORMATION
Volkhov Horizon
SIZE
3.05" long, Limestone 5.1 x 3.5"
SUB CATEGORY
ITEM
#178242
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