Researchers at the British Antarctic Survey and the Senckenberg Society for Nature Research have discovered a new species of deep-sea mollusk with a surprising symbiotic relationship. The ...

Accurate phylogenetic trees are fundamental to evolutionary and comparative biology, but the almost simultaneous emergence of major animal phyla and diverse body plans during the Cambrian Explosion ...

When the word “shell” is mentioned, most people think of the seashell variety, although in this gun-control-conscious age, shell, as in ammunition, is the more common usage. With over 100,000 species ...

Univalves (limpets, conchs, whelks and other snails) -- Dentaliums and other tusk shells -- Chitons or coat-of-mail shells -- Bivalves (mussels, scallops and clams) -- Nautilus and squids -- Strange ...

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 ...

Most seashells come from mollusks, a large group of marine animals, including clams, snails and oysters, which make shells as a protective covering. These shells are created from the outer surface of ...