A collection of fossil shells from marine snails and clams is challenging a theory that says the world’s deadliest mass extinction was accompanied by severe ocean acidification. Instead of showing ...

Snail shells are often colorful and strikingly patterned. This is due to pigments that are produced in special cells of the snail and stored in the shell in varying concentrations. Fossil shells, on ...

A 250-million-year-old fossil of a marine snail shell in pristine condition. The shell was one of the thousands examined in the study. Scale bar = 100 µm Disclaimer: AAAS and EurekAlert! are not ...

Eleanor has an undergraduate degree in zoology from the University of Reading and a master’s in wildlife documentary production from the University of Salford. Eleanor has an undergraduate degree in ...

Pigments in fossil snail shells from Austria dating back 12 million years are the oldest known preserved dyes from the polyene group, as scientists from the Natural History Museum Vienna and the ...

Research teams from the Academia Sinica and National Taiwan University have documented the first discovery of five freshwater mollusk species in the Early Pleistocene Tananwan Formation of northern ...

The head, foot, and eye stalk of a tiny land snail were recently found fossilized in a piece of 99-million-year-old amber. Though the specimen measures less than 0.2 inches across, it offers ...