Erika Bergman: Underneath that there's no oxygen, no life, and down there we found conchs and conch shells and hermit crabs that had fallen into the hole and suffocated, really. Narrator ...

A conch shell, measuring seven centimetres, has been unearthed at Marungur near Panruti in Cuddalore district where the Tamil Nadu State Department of Archaeology has been conducting excavations.

The large, marine snail is heavily in demand for its meat and iconic shell, which is used for décor and jewelry; overfishing and poaching have caused its decline in the Mexican Caribbean. “Under ...