EurekAlert!

Research links trilobite body size changes in early Paleozoic with marine oxygen levels

Fig.1: Tempo and mode in the body size evolution of Cambrian-Ordovician trilobites. Changes in maximum size (red) and mean size (blue) for each time slice, with lines and shading representing the mean ...
The New York Times

Trilobite Fossils Suggest Cannibalism Is More Ancient Than Once Thought

The “king” of the trilobites was snacking on whatever it could eat some 514 million years ago in the Cambrian era, even shelled creatures of its own species. By Rebecca Dzombak Cannibalism is common ...
CNN

Trilobites armed with tridents could be the earliest known example of sexual combat

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Trilobites were one ...
EurekAlert!

Cambrian and Ordovician trilobite body size (A) and their correlation to the inferred oxygen levels (B) and temperature (C) (IMAGE)

Fig. 4: Cambrian and Ordovician trilobite body size (A) and their correlation to the inferred oxygen levels (B) and temperature (C). (B) Ocean redox conditions and widespread anoxic intervals, showing ...
Ars Technica

The trade-off that helped some trilobites survive mass extinctions

Hundreds of millions of years before anthropogenic climate change was ever a thing, life on Earth suffered mass extinctions due to climate change brought on by natural causes. Even so, there were ...