3.3" Stalk-Eye, Asaphus Intermedius Trilobite - Russia

This is a large, stalk-eyed, 3.3" long Asaphus intermedius trilobite from the St. Petersburg region of Russia. It's laid out prone with only some slight separation between the head and body. It's quite large for the species and has nice shell preservation.

There is only about 1-2% shell restoration on the edge of the left cheek and a few plueral tips on the left side where a repaired crack is.

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 intermedius
LOCATION
Vilpovitsy quarry, St. Petersburg region, Russia
FORMATION
Asery level
SIZE
3.3" long
SUB CATEGORY
ITEM
#125506
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