Volva volva

Volva volva is a species of sea snail, a marine gastropod mollusk in the family Ovulidae (false cowries). In Australia the shells are commonly referred to as a shuttle or spindle egg cowry.

Description
The shell of Volva volva ranges between 45 and 186 mm in length. The canals are long and narrow, while the body whorl is about one-third or less of the shell length.

Distribution
Volva volva is found in the Pacific and Indian Oceans.