Koichi Fukuoka’s career as a copperplate engraver took an unexpected turn after he encountered fossils of ammonites, a spiral-shelled creature that lived in the age of the dinosaurs. The artist, who ...

Ammonites belonged to the cephalopod group of marine invertebrates, current members of which include octopi, squid and cuttlefish. Unlike those examples, however, ammonites had protective outer shells ...

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 ...

In the aftermath of the giant asteroid that crashed into the Yucatan Peninsula about 66 million years ago, approximately 75% of all species on Earth were wiped out, including the dinosaurs. Among ...

A new study utilizing museum collections has revealed that ammonites, iconic spiral-shelled marine mollusks, were not in decline before their sudden extinction alongside non-avian dinosaurs 66 million ...

Earth once hosted more than 10,000 species of these ancient marine predators. Find out how they lived, when they vanished, and how much we know about them today. Based on the fossil record, ammonites ...

Ammonites were shelled cephalopods that died out about 66 million years ago. Fossils of them are found all around the world, sometimes in very large concentrations. The often tightly wound shells of ...

Ammonites are a tale of two textures. The prehistoric cephalopods were composed of fleshy soft tissue (the living bit of the animals) and hard external shells, which, according to a paper published ...

We now know ammonites are extinct cephalopod molluscs related to squids and octopuses, which lived in the seas of the Mesozoic Era between about 201 and 66 million years ago. Their shells are ...

Jewelry makers have been showcasing the marine mollusk, and vintage sellers say they can’t keep them in stock. By Chantel Tattoli The swirly shell that held the voice of the Little Mermaid in Disney’s ...

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...