• Illaenus wahlenbergii (EICHWALD 1825) - Russia - Ordovician


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    Illaenus wahlenbergii (EICHWALD 1825) . This trilobite was found in the Vilpovitsy quarry, St. Petersburg region, Russia

    Dates to the Middle Ordovician Period.

    Size: Trilobite - 5.5 cm x 3.0 cm (in straight projection)
    Matrix: 6 cm x 5.5 cm x 2.5 cm
    The hard calcite exoskeleton shows up nicely against the lighter limestone matrix.