Brachiopods, marine invertebrates with shells ... the region and provides a new perspective on the biodiversity of the Ordovician period in the Three Gorges region, Jiang said.

The analysis showed that the development of the modern deep-sea ecosystem was protracted, over a period of around 100 million years, and occurred around the same time as a global cooling trend during ...

offering new insights into the ancient ecosystems of the Ordovician period. The find is expected to aid research into the palaeogeography and biological evolution of the region, according to The ...