Значения термина univalve на английском

Save the univalve's operculum and slice it off the muscle that holds it.

A shell pin made from the columella of a large univalve.

There are three varieties, spiral, univalve, and bivalve.

It was easy to see that the stones are thin and porous opercula, which have formed part of small univalve shells.

There was one imported shell that we did not value much, it was so abundant-thefreckled univalve they called a "prop."

Bivalve and univalve mollusca seem to be rare at the greatest depths; but starfishes, sea urchins and other echinoderms, zoophytes, sponges, and protozoa abound.

True molluscan shells come in two main varieties: BIVALVES and UNIVALVES.

He shows the blackish bottom half, replete with fossilized protozoa, plankton, univalves, bivalves, cephalopods, and corals.

Univalves have only one shell, usually coiled, but sometimes shaped like a cap or miniature volcano.

UNIVALVE'S anatomy: As before, a) foot, b) siphon, c) mantle, but also d) operculum.

Shell beads discoidal and cylindrical in form, made chiefly from the columellæ and walls of marine univalves.

Most univalves are spiral and are the shells of gastropods, but many belong to cephalopods and pteropods.

A large number of univalves belonging to the gastropods are conical, cup-shaped, or shieldlike, as the limpets.

Univalves may have spines on their shoulders.

Univalves include whelks, winkles, conchs.

Most species of univalves are wanderers, many bivalves are free, and multivalves become fixed at an early stage of existence.