It would be a memorable sight. But it would also be so wrong to tip over Galápagos giant tortoises to see how shell shape affects their efforts to leg-pump, neck-stretch and rock right-side up again.

The iconic giant tortoise of the Galapagos Islands has a strange shell to help it get back on its feet when it flips over on the rocky islands, according to new research. It was thought that the weird ...

A pair of researchers at Syracuse University has found evidence that an ancient squid-like creature with a paperclip-shaped shell may have lived for hundreds of years. Linda Ivany and Emily Artruc ...

IT is known that the form of the shell of Portuguese oysters (O. angulata) living on the shore is different from that of individuals living permanently below tide-marks 1. In the latter the shell is ...