Extinctions without a fossil trace?

EarthzinePalaeontology

Many species now perishing in Earth’s ongoing sixth mass extinction might vanish without leaving a fossil trace – and earlier extinctions may be underestimated as well, according to a study by three paleontologists published March 2, 2016 in Ecology Letters.

Ancient mass extinction led to dominance of tiny fish, paleontologist shows

EarthzinePalaeontology

According to new research, a mass extinction 359 million years ago known as the Hangenberg event triggered a drastic and lasting transformation of Earth’s vertebrate community. …Read more at the original article here (This article was syndicated in an earlier version of the Earthzine website, but is no longer reproduced here. Hope you enjoy the article at the original source).