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which allowed them to be well-preserved as fossils
they survived the Permian mass extinction and diversified into hundreds of species that survive today
Weight: 4 Pounds 4
were long enough to aid in standing and maneuvering
The value of Turquoise varies widely depending on quality factors such as color saturation
3.4" Actinocrinites Multiradiatus Crinoid Fossil Mississippian Age Burlington, Iowa Green Insect which allowed them to beLocation: Burlington Formation, Burlington, Iowa Weight: 10. 7 Ounces Dimensions: 3. 4 Inches Long, 2. 9 Inches Wide, 1. 6 Inches Thick (Plate) Mississippian Age, 323 Million Years Old The Item Pictured is the one you will receive. Actinocrinites Multiradiatus and Uperocrinus Pyriformis 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.
