Tag Archive for 'Conodont'

Life reconstruction of Sacabambaspis janvieri, a species of armored jawless fish that lived during the Ordovician period. Image credit: Kaori Serakaki, OIST.

Study: Late Ordovician Mass Extinction Cleared Way for First Fishes

Jan 12, 2026 by News Staff

A long-standing mystery in vertebrate evolution — why most major fish lineages appear suddenly in the fossil record tens of millions of years after...

The discovery of a spike of mercury in 252-million-year-old rock at locations around the world gives evidence for the prevailing theory that volcanic eruptions caused the end-Permian extinction. Image credit: Margaret Weiner / University of Cincinnati Creative Services.

Volcanic Eruptions Caused End-Permian Extinction, New Evidence Confirms

Apr 17, 2019 by News Staff

An international team of paleontologists from China and the United States has found high levels of mercury in the end-Permian marine sediments at nearly...

Scientists Discover Sharpest Teeth in History

Mar 20, 2012 by James Freeman

A team of scientists from Monash University and the University of Bristol has found that the tiny teeth of a long-extinct prehistoric fish are the sharpest...