What is "microfossils"

Usage examples of "microfossils".

And if we could drill through the regolith and get enough core samples of the sediment underneath, we just might find some hard layers or nodules of chert that would hold the microfossils we were looking for.

They have microfossils of the mites but they don't exist today—well, not over there.

And so stories have naturally blossomed to fill the gap, just as in Lowell’s time, or in Homer’s, or in the caves or on the savannah—stories of microfossils wrecked by our bio-organisms, of ruins found in dust storms and then lost forever, of Big Man and all his adventures, of the elusive little red people, always glimpsed out of the corner of the eye.

Off at the other end, going through our banks of Pliocene microfossils, I could see a grad student.

The volcanoes in the Tharsis region had attracted geologists, and the vast canyons of the Valles Marineris where Shin-ichi Kawakami earned his Nobel prize by discovering microfossils of long-dead Martian life forms had lured more exobiologists.