In eukaryotic tree, grey dash lines represent ... Scale bar in the green algal fossil equals 500 μm; the rest are 50 μm News organizations may use or redistribute this image, with proper ...

In addition, the fossils themselves can be useful, allowing scientists to determine when certain external features first appeared, adds Porter, who is currently interrogating such specimens to order ...

Recent research suggests they may represent an entirely extinct and previously unknown lineage of Eukaryotes ... well-preserved fossil remains dating back to the Early Devonian period.

They believe it came from an entirely extinct lineage of eukaryotes ... this changes our understanding of early life on land. The Rhynie chert, a fossil-rich deposit in Scotland where P.

Piecing together the story of Europe’s earliest settlers is a challenge, largely because relevant human fossils are scarce. On March 12, researchers announced the discovery of a new fossil from the ...

Extending euglenoids’ fossil records this far back in geological time suggests that they’re among the oldest eukaryotes, Strother said, adding that “the question that this work addresses ...

The mineralized bones are the earliest human fossil remains found so far in Western Europe. However, it wasn’t immediately obvious which species of prehistoric human the team had found ...