The sea snail with shell measures a little less than 2 centimeters. Although the sea creature is found in colonies at a beach only minutes from the school, it is designated as a near-threatened ...

The green turtle is a large, weighty sea turtle with a wide, smooth carapace, or shell. It inhabits tropical and subtropical coastal waters around the world and has been observed clambering onto ...

The shell measures 31cm in its longest dimension, and 18cm at its widest. It was once home to a living organism, of course; most likely a species of cold-water Atlantic sea snail called Charonia ...