Cyclus may refer to:
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Literary cycle
A literary cycle is a group of stories focused on common figures, often (though not necessarily) based on mythical figures or loosely on historical ones. Cycles which deal with an entire country are sometimes referred to as matters. A fictional c ...
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''Cyclus'' (genus), a genus of prehistoric crustaceans
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Cyclus (installation art), a piece of installation art by Vasko Lipovac
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