They do look rather like bivalves, but their internal organisation is quite different.

In bivalves it is usually part of the feeding structure.

Some bivalves have eyes and even an open circulatory system.

It is quite large and developed compared to other bivalves because they swim a lot.

The first thing to consider is the shucking of the bivalves.

Up until the mid 20th century, these creatures were still considered to be bivalves.

No species of bivalves are known to be extinct in Europe since 1500.

These bivalves are the largest pearl oysters in the world.

Most bivalves in other families have an external ligament instead.

This family of bivalves is very well represented in the fossil record, however the living species are few.

The arrangement of these teeth is often important in identifying bivalves.

The bivalves were then brought to the surface, opened, and the tissues searched.

Among the mollusca, the bivalves continue to increase in numbers and importance.

There are more than 15,000 species of bivalves that live in both marine and freshwater.

Because of this, they had been described as being somewhat atypical bivalves.

Bivalves have also been used in the biocontrol of pollution.

Oyster is the name given to a few bivalves.

They were initially thought to be bivalves, but were later given their own class.

Up to fourteen of the bivalves have been found associated with one urchin.

Unlike most bivalves, the oyster does not have a foot in adulthood.

Like most bivalves, mussels have a large organ called a foot.

There are limitations to the use of bivalves as bioindicators.

On any natural oyster bed, there are many of the bivalves that have perished for one reason or another.

There is this to be said for those forgotten bivalves: they set a brilliant precedent.

I was alone on the beach, with the bivalves and the lapping of the surf.

In bivalves it is usually part of the feeding structure.

Some bivalves have eyes and even an open circulatory system.

No species of bivalves are known to be extinct in Europe since 1500.

Bivalve had a few thousand residents, most working in the oyster industry.

The first thing to consider is the shucking of the bivalves.

It is quite large and developed compared to other bivalves because they swim a lot.

The young hatch and remain within the bivalve until they can swim.

Remember, in the wild, the shell of a living bivalve is rough.

These bivalves are the largest pearl oysters in the world.

Nevertheless, it remains the only bivalve that is mobile and free.

They do look rather like bivalves, but their internal organisation is quite different.

Most bivalves in other families have an external ligament instead.

The arrangement of these teeth is often important in identifying bivalves.

Any bivalve that fails to open after cooking should be discarded.

Oyster is the name given to a few bivalves.

There are more than 15,000 species of bivalves that live in both marine and freshwater.

The bivalves were then brought to the surface, opened, and the tissues searched.

This family of bivalves is very well represented in the fossil record, however the living species are few.

He felt like a bivalve at the tide-edge of the universe.

This year it is a particular bivalve at the center of many holiday feasts.

Because of this, they had been described as being somewhat atypical bivalves.

This bivalve is found from low tide to depths down to 35 m.

They were initially thought to be bivalves, but were later given their own class.

Like most bivalves, mussels have a large organ called a foot.

There is this to be said for those forgotten bivalves: they set a brilliant precedent.