UPC 887774981618
Barcode for 3.2" 810g Crinoid Fossil Sphere Polished Crystal Extinct Marine Scyphocrinites Arthropod Echinodermata Paleozoic Era Fossilized Mineral Ball - China + Plastic Stand
Scannable Barcode for UPC 887774981618
Sellers
Marketplace | Price | Updated |
---|---|---|
$42.95 | 08/09/2021 08:26:07 GMT - Details |
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Attributes
Attribute | Value |
---|---|
Binding | Kitchen |
Brand | HQRP-Crystal |
Color | Multicolor |
EAN | 0887774981618 |
Manufacturer | HQRP-Crystal |
Model | 88777450713174 |
MPN | 887774104021802 |
UPC | 887774981618 |
Description
- You will receive exactly this Crinoid Fossil Sphere - 82mm / 3 1/4 Inches Diameter; 810g / 28.6 oz / 1.8 lb !
- Because many crinoids resemble flowers, with their cluster of waving arms atop a long stem, they are sometimes called sea lilies. But crinoids are not plants. Like their relatives-- starfishes, sea urchins, sea cucumbers, and brittle stars--crinoids are echinoderms, animals with rough, spiny surfaces and a special kind of radial symmetry based on five or multiples of five.
- Crinoids flourished during the Paleozoic Era, carpeting the seafloor like a dense thicket of strange flowers, swaying this way and that with the ocean currents. They peaked during the Mississippian Period, when the shallow, marine environments they preferred were widespread on several continents. Massive limestones in North America and Europe, made up almost entirely of crinoid fragments, attest to the abundance of these creatures during the Mississippian
- Crinoids came close to extinction towards the end of the Permian Period, about 250 million years ago. The end of the Permian was marked by the largest extinction event in the history of life . The fossil record shows that nearly all the crinoid species died out at this time. The one or two surviving lineages eventually gave rise to the crinoids populating the oceans today.
- Based on the fossil record of crinoids, especially the details of the plates that made up the arms and calyx, experts have identified hundreds of different crinoid species. Though most crinoids had stems, not all did. Today, stemless crinoids live in a wide range of ocean environments, from shallow to deep, whereas their relatives with stems normally live only at depths of 300 feet or more.
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