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Receptaculites
© 2003 P.J. Noble, University of Nevada, Reno
Lepidocyclina sp.
© 2008 Tom Maier
stromatolite
© 0 Ron Stanwood
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What are Protists? The term “protist” refers to any eukaryote that is not a plant, animal, or fungus. Most protists are unicellular, while others are multicellular or even multinucleate (many nuclei in one cell). Some live as single individuals, others as colonies. This diverse group exhibits a wide variety of sizes, shapes, life cycles, habitats, and feeding and reproductive strategies. The protists have a long, although in some cases patchy, fossil record stretching back to the Precambrian. First known fossil occurrence: Precambrian. Last known fossil occurrence: Quaternary. This group has living relatives. |
Fossils through time:
Choose a time period to see what life was like:
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