The seaside marine snail Littorina saxatilis is the most misidentified creature in the world, The Guardian reported in 2015. Over centuries, ...

Live-bearing has allowed Littorina snails to occupy and adapt to a diverse range of habitats. This has led to the evolution many ‘ecotypes’ that vary in their size, shape and behavior.

There is one local snail that I would bet everyone who lives in coastal New England knows and loves: ... The one most of us know is the common periwinkle (Littorina littorea).

The snails in question are in a genus called Littorina, which are largely distributed around the North Atlantic. Many of these species lay eggs, but a number of them have transitioned to live births.

Zoologger is our weekly column highlighting extraordinary animals – and occasionally other organisms – from around the world. It’s a question all females have to address in one way or ...

Significant evolutionary changes happen gradually as opposed to in dramatic "monster" steps, biologists have discovered, answering the long-debated question as to how game-changing innovations ...