She was an expert on the evolution of marine mollusks.
The word seashell is often used to mean only the shell of a marine mollusk.
The balance of dietary meat came from marine mollusks.
It is a marine gastropod mollusk in the family Juliidae.
This is a marine gastropod mollusk in the family Flabellinidae.
These ships were named after the shell-less marine mollusks known as Sea hares.
In the salted pond there are many marine mollusks placed there by my father.
It is a wentletrap in the family Epitoniidae, a marine gastropod mollusk.
This is a sublittoral marine gastropod mollusk in the family Calliostomatidae.
Keshi pearls are produced by many different types of marine mollusks and freshwater mussels in China.