Mississippian Sea Urchins (Archaeocidaris) - St. Louis, Missouri

This is a piece of limestone from the Mississipian aged St. Louis Limestone of Missouri containing several Archaeocidaris wortheni echinoderms (urchins). The limestone is 5.1" by 3.6" wide and the long spines of these large urchins can clearly be seen on the surface.

Comes with an acrylic display stand.
FOR SALE
$135
DETAILS
SPECIES
Archaeocidaris wortheni
LOCATION
St. Louis, Missouri
FORMATION
St. Louis Limestone
SIZE
Matrix 5.1x3.6"
CATEGORY
SUB CATEGORY
ITEM
#23219
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