Gastropoda (previously known as univalves and sometimes spelled "Gasteropoda") are a major part of the phylum Mollusca, and are the most highly diversified class in the phylum, with 65,000 to 80,000 [3] [4] living snail and slug species.

The meaning of UNIVALVE is a mollusk with a shell consisting of one valve; especially : gastropod.

Apr 21, 2024 · Bivalves have two hinged shells, typically filter-feeders in aquatic environments, whereas univalves possess a single, often spirally coiled shell, common in both marine and terrestrial settings.

Jul 24, 2022 · (Science: zoology) A shell consisting of one valve only; a mollusk whose shell is composed of a single piece, as the snails and conchs. most univalves are spiral and are the shells of gastropods, but many belong to cephalopods and pteropods.

Apr 11, 2015 · 2 meanings: 1. relating to, designating, or possessing a mollusc shell that consists of a single piece (valve) 2. a gastropod.... Click for more definitions.

Jan 28, 2014 · Univalves are as the name suggests – ‘one’ shell or a shell having one piece. Univalves are also known as gastropods. A mollusk with a univalve shell typically has a foot and head that live inside the shell, and can extend or retract outside or inside the shell.

Aug 30, 2024 · Univalves, commonly known as gastropods, constitute the largest class within the phylum Mollusca. These fascinating creatures are characterized by their single, spiral-shaped shell, which serves as a protective covering and is primarily composed of calcium carbonate.

A mollusk, such as a snail, having a single shell. All univalves are gastropods. Compare bivalve.

Conchs are sometimes called univalves. Every animal in the group has one shell except for slugs because they don't have a shell. These animals use a "radula" which is a tonguelike organ with rows of teeth to obtain food.

Whether you’re a teacher or a learner, Vocabulary.com can put you or your class on the path to systematic vocabulary improvement.