Title

Archimedes

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Archimedes is a genus of bryozoans named for its corkscrew shape, a type of water pump which inspired modern ship propellers. The Archimedes genus existed from the Mississippian to the Permian times when they went extinct. The calcified skeleton consisting of a delicate spiral-shaped mesh that thickened near the axis into a massive corkscrew-shaped central structure. The most common fossil remains are fragments of the mesh that detaches from the central structure. Similar to other bryozoans, Archimedes are filter feeders that form colonies with the animals living on one side of the mesh where individuals are in contact through small canals.

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Archimedes

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