Evolution is repetitive, especially if it produces adaptations that work well. If it’s all about survival, spines do the trick throughout the mollusk world. Scorpion Spider Conch (Lambis scorpio) ...

Spines on seashells, which offer protection from the crushing jaws of potential predators, are often cited as an example of similar features that have evolved independently in different species. Now, ...

The carrier shells of the family Xenophoridae are the most remarkable bunch of snails. Both their common name and their Latin name give away their uniqueness. Xenophoridae in Latin actually translates ...