Asaphus plautini (Schmidt, 1898). This trilobite was found in the Asery Level, Vilpovitsy quarry, St. Petersburg region, Russia 

Dates to the Middle Ordovician Period. 

Size: Trilobite - 5.0 cm x 3.0 cm. 
Matrix: 5.0 cm x 5.0 cm x 1.5 cm

The hard calcite exoskeleton shows up nicely against the lighter limestone matrix. 

Please note that these Russian trilobites always have a small amount of restoration, this trilobite has approximately 5% restoration.

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