An international research team studying fossilized oyster shells has revealed substantial annual temperature variation in sea ...

Based on the fossil record, ammonites came in a wide range of sizes and shapes, from smaller than an inch to as large as nine feet wide. Some ammonites had long, straight shells, while others had ...

In the Kits: #12: Shark tooth (specifically, the enamel of the tooth) Recrystallization - A process by which the minerals making up the original shell or bone of a fossil change into a different ...

Fossils of them are found all around the world, sometimes in very large concentrations. The often tightly wound shells of ammonites may be a familiar sight, but how much do you know about the animals ...

The chambered, or pearly, nautilus (Nautilus pompilius) is a charismatic cephalopod species known for its exceptional spiraling, chambered shell. It belongs to a family that has barely changed since ...

Using oyster shell fossils records and combined with high-resolution climate simulations, the study has, for the first time, reconstructed the seasonal fluctuations in sea surface temperatures ...