microfossil

noun

mi·cro·fos·sil ˌmī-krō-ˈfä-səl

: a small fossil that typically can be studied only microscopically and that may be either a fragment of a larger organism or an entire minute organism

Examples of microfossil in a Sentence

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The rover is on a quest to determine if life ever existed on Mars by collecting samples that could contain ancient microfossils. —

Ashley Strickland, CNN, 12 Dec. 2024 Now, an analysis of thumbnail-size microfossils in the stone has shed new light on the heavy slab, which came from Belgium and was shipped all the way to the first permanent British settlement in North America centuries ago. —

Ashley Strickland, CNN, 2 Nov. 2024 These deposits contain tiny microfossils of plankton, including organisms such as diatoms and coccolithophores that live on or near the ocean’s surface. —

Suzanne Oconnell, The Conversation, 3 Sep. 2024 Exploring Mars’ past Since landing on Mars, Perseverance has crossed Jezero Crater and explored an ancient river delta in search of microfossils of past life. —

Ashley Strickland, CNN, 26 July 2024 See all Example Sentences for microfossil