4" Partial Mississipian Echinoid (Archaeocidaris) - Missouri

This is a partial Mississippian aged echinoid (Archaeocidaris wortheni) from the St. Louis Limestone in Missouri. It would have been very large, probably 6-7" wide if complete.

Comes with an acrylic stand.

DETAILS
SPECIES
Archaeocidaris wortheni
LOCATION
St. Louis, Missouri
FORMATION
St. Louis Limestone
SIZE
Rock 4.6 x 4.5"
CATEGORY
SUB CATEGORY
ITEM
#145239
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