A shelled fossil discovered in an amateur’s collection may harbor the first direct evidence of prehistoric sharks eating ammonites some 150 million years ago. The palm-sized ammonite, an extinct ...

While dinosaurs were wiped out when a massive asteroid struck Earth, ammonites survived the massive explosion, only to ...

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 ...

Ammonites are a group of extinct cephalopod mollusks with ribbed spiral shells. They are exceptionally diverse and well known to fossil lovers. Researchers have developed the first biomechanical model ...

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For one unfortunate ammonite in the Late Jurassic, this was no dream but a harsh reality. The animal died utterly unclad, outside its whorled shell, and was buried this way. According to a study ...

Ninety-nine million years ago in what's now Myanmar, a glob of tree resin oozed onto a beach. Today, the resulting fossilized lump of amber is giving scientists an astonishing glimpse into life on a ...

In Baculites, a straight shelled ammonite, the constructional limits on shell shape resulting from the limited strength of nacre in tension are circumvented by a system of vaults in the phragmocone.

The muscles and organs of an ammonite — an extinct relative of cuttlefish and squid with coiled shells and tentacles — have been reconstructed in 3D for the first time. The achievement has allowed a ...

A sea creature that lived 99 million years ago has been found preserved in amber in an ultra-rare finding. The fossil, found in northern Myanmar, is the first ever known example of an ammonite to be ...