Ammonite shells are used today as index fossils, meaning they can help date other fossils that are found in the same layer of marine rock. These cephalopods make for ideal index fossils because ...

Look at the ammonite under the microscope ... Without knowing anything about the biology of brachiopods, choose the fossil that is preserved as original shell material. What is your evidence (you ...

Fossilised ammonite shells can be found all around the world, including on parts of Britain's coastline. But if you can't get to a beach to find some, why not start your own collection from home?

While ammonite shells are abundant in the fossil record, it was only recently that scientists have found a very rare fossil of the soft parts of an ammonite. However, fossilised evidence of ammonite ...

In December, it turned out the fossils were extremely rare imprints of the upper shells of baby turtles ... moment a prehistoric fish swallowed an ammonite — an extinct marine mollusk ...

A 250-million-year-old fossil of a marine snail shell in pristine condition. The shell was one of the thousands examined in the study. Scale bar = 100 µm Disclaimer: AAAS and EurekAlert!

Instead, the drag mark was created by the lake’s current moving the ammonite shell. It is easy to understand why such fossils have been misinterpreted as the traces of living organisms.” A trace and ...

Scientists have found new evidence confirming that turtles once lived without shells. The almost-complete fossil dates back 228 million years and is bigger than a double bed. It was discovered in ...

Here's the story of how a fossil is made. This is an ammonite. Ammonites were once sea creatures with squid-like tentacles and a curly shell like a snail. They lived at the same time as dinosaurs.

Millions of prehistoric marine fossils were discovered beneath a California ... kelp and other types of seaweed and invertebrates like shells and stuff all in one place,” Dr. Wayne Bischoff ...

Deer have horns, kangaroos have pouches, humans have existential dread, and turtles have shells… right? Apparently that wasn’t always the case, as a new set of fossils from China reveals that ...

An investigation by this masthead has found fossil fuel companies, including Shell and Woodside, are increasingly entering the supply chain of the Australian carbon offsets market, buying stakes ...