Definition of "microfossils" [microfossils]

• Plural form of microfossil. (noun)

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• "Another unanswered question is whether the microfossils were the result of contamination by Earthly bacteria."
• "The discovery strengthens the case for believing that worm-like structures in the meteorite are 'microfossils' of ancient Martian bugs."
• "The answer involves some complicated history as well, because claims of microfossils in carbonaceous meteorites are not new."