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 ...

Fukuoka, 75, has finally published an illustrated encyclopedia that details more than 300 fossils of ammonites and other prehistoric creatures found on the island. It features copperplate images ...

Dr. Chris Shelton and student Kolby Dooling unearthed a rare, well-preserved ammonite fossil at a site in Oklahoma, and it wasn’t an ordinary fossil. This particular find shimmered with the ...

Fossils found in the northern part of Hokkaido are a new type of ammonite, the once-ubiquitous spiral-shelled creatures that went extinct with the dinosaurs 65 million years ago, researchers said.