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. The study is the first ...

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 ...

A study published in Science on the evolution of molluscan forms and genomes offers a fascinating glimpse into the complex and diverse biology of mollusks, shedding light on how they have evolved over ...

Scientists have found 'beautifully preserved' 15-million-year-old thin protein sheets in fossil shells from southern Maryland. The team collected samples from Calvert Cliffs, along the shoreline of ...

A CORRESPONDENT has raised the question as to whether there is any explanation for the fact that spiral shells of present-day marine gastropods wind in the opposite direction to similar shells found ...

The predatory boring habit common to many recent snails probably arose first in the Polinicinae (Naticacea) during Upper Cretaceous (Cenomanian) times (100 million years B.P.). In the fossil record ...

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 ...