Description
Blastoids are an extinct type of stem echinoderm related to crinoids. They would have attached themselves to the bottom of the ocean with a stalk and were filter feeders.
Pentremites Godoni
$38
Age: Upper Mississippian (325 Million Years).
Location: St. Clair County, Illinois.
Sizes: 3.5″ x 3.5″ approx.
Sizes: 3.5″ x 3.5″ approx.
Only 1 left in stock
