The oldest teeth ever discovered were discovered in southern China amid a large haul of fish fossils.
This may aid researchers in understanding how our aquatic ancestors acquired their bite.
The discoveries provide fresh information about an important but poorly understood stage of evolution.
because there aren't many fossils from that time period currently known to science. In four separate research,
Researchers describe some of their discoveries, including old teeth and previously unknown species, in an article published on Wednesday in the journal Nature.
The Silurian epoch, which lasted from 443 million years ago to 419 million years ago, is when the fossils were created.
According to scientists, when our ancestors had backbones they were still swimming about.