Variation in land-snail shell form has been extensively documented, but its causes are poorly understood. For no character are there general rules relating shell form to environmental characteristics, ...

Oct. 15 (UPI) --Rising acidity levels in the world's oceans are disrupting the shell-making abilities of the marine gastropods. According to a new study, the shells of triton shell sea snails are ...

The Tibetan Plateau in south-central Asia, because of its size, elevation and impact on climate, is one of the world's greatest geological oddities. At about 960,000 square miles it covers slightly ...

Researchers rediscover tiny tropical land snails, reclassifying lost species and reshaping the tree of life in Central ...