For over 300 million years, the ammonites ruled the prehistoric seas. Finding an ammonite fossil isn’t particularly rare (they can be unearthed all over the world) but they’re still thrilling to ...

Evidence for ammonite survival into the Paleogene era is solid, a new study confirms, indicating that these ancient mollusks were well positioned to inherit oceans now cleared of competitors. Yet for ...

This shows Kenneth De Baets with a fully grown manticoceras (Late Devonian Period, Morocco): One of the largest ammonites of the Devonian Period. Disclaimer: AAAS and EurekAlert! are not responsible ...

For 300 million years, they were the ultimate survivors. They successfully negotiated three mass extinctions, only to die out eventually at the end of the Cretaceous along with the dinosaurs: ...

Some extinct species left copious fossil remnants of their existence. Ammonites—an extinct type of cephalopod—are one such example. From the Devonian right up until the Paleocene, wherever ancient ...

Scientists have discovered direct evidence of the diet of an important group of Ammonites, which are among the best known fossils. Using synchrotron X-rays, they imaged three fossilized mouths with ...

Ammonites are a group of fossil marine mollusk animals closely related to living cephalopods (i.e., octopuses, squid, and cuttlefish) and shelled nautiloids such as the living Nautilus species. The ...