3.1" Actinocrinites Multiradiatus Crinoid Fossil Mississippian Age Burlington, Iowa Potaman SP it was believed extinct until

it was believed extinct until 1944

With a hardness of 3 on the Mohs scale

consisting of a central axial lobe flanked by two pleural lobes

provide valuable information on Paleozoic marine life

Sentinel Butte Formation

3.1" Actinocrinites Multiradiatus Crinoid Fossil Mississippian Age Burlington, Iowa Potaman SP it was believed extinct untilLocation: Burlington Formation, Burlington, Iowa Weight: 8. 6 Ounces Dimensions: 3. 1 Inches Long, 2. 9 Inches Wide, 1. 7 Inches Thick (Plate) Mississippian Age, 323 Million Years Old The Item Pictured is the one you will receive. Actinocrinites Multiradiatus Crinoid Crinoids are commonly known as sea lilies, though they are animals, not plants. Crinoids are echinoderms related to starfish, sea urchins, and brittle stars. Most of the Paleozoic crinoid