Researchers have only been aware of the existence of fossil cold-water corals off the coast of Namibia since 2016. But it was not known when and why the cold-water corals in this region became extinct. By dating fossil coral fragments, Leonardo Tamborrino of MARUM—Center for Marine Environmental Sciences at the University of Bremen, and his co-authors have determined that this localized extinction event occurred around 4,500 years ago.
Original Title: Extinction of cold-water corals on the Namibian shelf due to low oxygen contents
Full Text of the Original Article: https://phys.org/news/2019-10-extinction-cold-water-corals-namibian-shelf.html