New Ordovician) fossils (470 to 459 million years ago) show survival of “extinct” life forms | Uncommon Descent

Researcher: The discovery of uncommon wiwaxiids fossils in this time frame suggests the animals lived on Earth for a far greater span of time than previously understood.

Source: New Ordovician) fossils (470 to 459 million years ago) show survival of “extinct” life forms | Uncommon Descent