4.5" Fossil Urchin (Archaeocidaris) Plate - Missouri

These are fossil urchins from the St. Louis Limestone, St. Louis, Missouri. There are two complete urchins displayed beautifully within the rock, along with spines from adjacent urchins.

Comes with an acrylic stand.


DETAILS
SPECIES
Archaeocidaris wortheni
LOCATION
St. Louis, Missouri
FORMATION
St. Louis Limestone
SIZE
4.5 x 2.9" plate
CATEGORY
SUB CATEGORY
ITEM
#135555
GUARANTEE
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