Two Mississipian Echinoids (Archaeocidaris) - Missouri

This is a pair of Mississippian echinoids (Archaeocidaris wortheni) from the St. Louis Limestone in Missouri. The larger of the two specimens on the slab of limestone is 2.3" wide.

Comes with an acrylic stand.

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DETAILS
SPECIES
Archaeocidaris wortheni
LOCATION
St. Louis, Missouri
FORMATION
St. Louis Limestone
SIZE
Larger specimen 2.3" on 4.9x3.9" rock
CATEGORY
SUB CATEGORY
ITEM
#145232
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