1.7" Agaricocrinus Americanus Crinoid Fossil Mississippian Age Montgomery County IN Mollusk Morrison Formation
Platform notes & fabric story
Description
1.7" Agaricocrinus Americanus Crinoid Fossil Mississippian Age Montgomery County IN Mollusk Morrison Formation Morrison Formation with no associated fossil remains 7 Inches Long they survived the Permian mass extinction and diversified into hundreds of species that survive today