Evidence suggests that transitions from snails to slugs — or rather, from having a concrete outer shell to a greatly reduced internal one — have happened numerous times in evolution.

Snails with a thicker, shorter and broader shell emerged. This new shell shape ... However, Hellberg said such a technique could result in evolution of the species, which would, technically ...

Far from being an abstract, albeit fascinating, scientific curiosity, I am convinced that attending to snail biogeography and evolution is ... sealed up inside their shells in this way, it seems ...

For more than 100,000 years, coastal communities have harvested abalone (genus Haliotis). These gastropods, which are found ...

Starting when he was a Ph.D. student in the 1990s, he has monitored the evolution of two common species of sea snails living ...

Along with documenting a vivid example of “rapid evolution,” the ... surrounding environment, the snails will display different traits including size, shell shape, shell color, and behavior.

I don’t know what a shell does to a snail to make it lovable,’ says Jon. Slugs actually do have a shell, but it’s internal. Their shell has been reduced so much through evolution that in most species ...

The oddball minority of animals that don’t lay eggs includes a tough little snail called a rough periwinkle ... can see them crawling around on her shell.” Mom may not help her offspring ...