The fossil is Shishania aculeata ... prior to the evolution of the shells that we see in modern snails and clams.” The study is published in the journal Science.

This research lays the groundwork for using fossil snail shells to reconstruct seasonal precipitation distributions and extreme rainfall events in the geological past. In high latitude regions ...

Yet, beneath this serene English landscape lies a treasure trove of prehistoric ... slugs and snails, clams, octopus, and squids. Less familiar mollusks are coat-of-mail shells (chitons), and ...