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20 Terms
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Stromatolites
Precambrian Era
~3.5 billon years old
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Nautiloids
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Trilobites were one of the earliest known arthropods.
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Name four types of Paleozoic fossils shown.
A: Nautiloids, Trilobites, Brachiopods, Eurypterids.
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What is labeled as trilobite dung?
Eurypterid
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Brachiopods
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What was in the Mesozoic era
Ammonoids
Bivalves (oysters)
Coral
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AMMONOIDS
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Bivalve
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Coral
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What’s in the Cenozoic era
Sand dollars
Insects (in copalite)
Gastropods
Shark tooth and picture
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Echinoderm (sand dollar)
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Insects in amber
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Gastropod
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Clam
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Ascapora
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Lingula
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Horseshoe crab
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Shell of Nautilus
Modern relative of the nautiloids
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Note 
Flashcards (45)