DescriptionGilbertsocrinus typus - extinct crinoid - Smithsonian Museum of Natural History - 2012-05-17.jpg
English: A fossil Gilbertsocrinus typus -- an extinct crinoid -- on display in the Sant Hall of Oceans in the Smithsonian Museum of Natural History.
Crinoids are animals like sea lillies. They usually have a stalk, on top of which is a broad disk, from which arms extend. They sweep the sea for food particles. This particular crinoid lived in the early Mississippian era, about 359 to 318 million years ago. This fossil was found in the Borden Formation in Kentucky.
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{{Information |Description ={{en|1=A fossil Gilbertsocrinus typus -- an extinct crinoid -- on display in the Sant Hall of Oceans in the Smithsonian Museum of Natural History. Crinoids are animals like sea lillies. They usually have a stalk, on top...
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