Snails have shells the moment they're born, but it's kind of hard to tell. In fact, it's hard to even see a baby snail. Some are nearly microscopic, such as Angustopila psammion, whose adult-sized ...

Paleobiologist Geerat Vermeij is enthralled with mollusks. Their shells line the surfaces and fill the cabinets and drawers in his office on the second floor of the Earth and Planetary Sciences ...

Mollusks, from land snails and slugs to oysters and mussels in the sea, have a few things in common. They have a head. They have a soft middle part that holds their organs. Then, some have a muscle ...

Stay on top of what’s happening in the Bay Area with essential Bay Area news stories, sent to your inbox every weekday. The Bay Bay Area-raised host Ericka Cruz Guevarra brings you context and ...

When I say I am a malacologist, I often am asked if that is a bad ecologist. No, I study the animal group Mollusca, which includes slugs, snails, sea slugs, clams, tusk shells, chitons (“coat of mail” ...

Beachcombers know that seashells appear in an endless array of colors and shapes, and researchers have just discovered that this variation extends to the molecular level. In fact, each shell is as ...

Scientists have discovered a new species of chiton, an ancient marine mollusk that has remained virtually unchanged for the ...

Scientists devised a mathematic model that helps explains how Nipponites, some of the wonkiest ammonites, built their shells. By Sabrina Imbler If you’ve seen one ammonite, you may think you’ve seen ...