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and ancient climates
they survived the Permian mass extinction and diversified into hundreds of species that survive today
Fossil specimens highlight the intricate details of their exoskeletons
which allowed them to be well-preserved as fossils
were long enough to aid in standing and maneuvering
3.4" Actinocrinites Multiradiatus Crinoid Fossil Mississippian Age Burlington, Iowa Green Insect and ancient climatesLocation: 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.
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