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 ...

An incredible 99-million-year-old chunk of amber contains several trapped marine gastropods, as well as an extinct ammonite, according to a new paper. Amber is fossilized tree resin, and occasionally ...

Beautifully preserved fossil ammonite collected from 165-million-year-old Jurassic site in Gloucestershire, UK; 3D reconstruction of combined neutron and X-ray images of fossil shows internal muscles ...

Researchers have revealed the soft tissues of a 165-million-year-old ammonite fossil using 3D imaging. They found that the now-extinct molluscs sported hyponomes: tube-like syphons through which water ...

Scientists have discovered direct evidence of the diet of an important group of Ammonites, which are among the best known fossils. Using synchrotron X-rays, they imaged three fossilized mouths with ...

Grier discovered the mass of fossilized shells in 2011 inside a large, egg-shaped rock referred to as a concretion. Two years later, she donated it as part of the Invertebrate Paleontology collection ...