Over the course of ammonite evolution, which spanned from over 400 million years to 66 million years ago (until their extinction along with the dinosaurs), these sutures got more complicated ...

Zoë says, 'Ammonites were quite diverse and evolved rapidly, so if you sample stratigraphically through rocks, you can actually see the evolution and the changes through them.' Ammonites came in a ...

Based on the fossil record, ammonites came in a wide range of sizes ... of which varied tremendously throughout this animal’s evolution. The many chambers of their shells likely helped these ...

These creatures were the world's largest ammonites, a group of shelled cephalopods ... because they show the same evolution, the same timing." And both in England and Mexico, the team found ...

Ammonites' rapid evolution, prevalence and distinctive shape have made them ideal 'index fossils' — species whose presence can be used to identify rocks belonging to a particular geological time ...

They found trade-offs between stability in the water and maneuverability, suggesting that the evolution of ammonite shells explored different designs for different advantages, rather than ...

Their approach provides new paths for interpreting the evolution of ammonites and nautili, their smooth-shelled distant "cousins" that still populate the Indian and Pacific oceans. Ammonites are a ...

A new movie starring Kate Winslet called “Ammonite,” which will be released ... and those who opposed the ideas of extinction and evolution. Some thought the fossil was a fake.

Though it may have been evolution as usual for the ammonites just before the end of the Cretaceous, they were unable to adapt to as devastating an event as a meteorite strike. While some ammonites may ...

of evolution. Although she died in 1847 at the age of 47, her impact on our understanding of the diversity of marine life in the Jurassic seas has left an indelible legacy. The new film Ammonite ...