Tsukuba, Japan—Mollusks exhibit diverse shell morphologies, such as those seen in bivalves (e.g., clams) and gastropods (e.g., snails). Understanding the mechanisms underlying shell formation requires ...

Hermit crabs have an intimate relationship with gastropod shells and show numerous activities by which they locate, select, and change shells in different contexts. They gather information about new ...

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 ...