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 ...

The “gem” of an ammonite dates back 71 million years, and comes with a curious coating of ammolite, giving it a dazzling ...

Sandoval, José 2024. Latiwitchellia (Grammoceratinae?, Ammonitina, Middle Jurassic); an eastern Pacific ammonite in the Betic Cordillera (Southern Spain). Journal of Iberian Geology, Originally issued ...

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 ...

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 ...