Description
Genus / Species: Stellarocrinus virgilensis
Age: late Pennsylvanian (approximately 300 million years)
Formation: La Salle Limestone (Bond Formation)
Location: Pontiac, Illinois, USA
Matrix Dimensions: 2.6″ x 2.4″ x .8″ thick
Weight: 2.38 ounces/67.4 grams
