class gastropoda
Definition
- Noun:
- A major taxonomic class within the phylum Mollusca: "Class Gastropoda" is the scientific name for the large and diverse class of mollusks that includes snails, slugs, and their relatives. Members of this class are characterized by a single, usually coiled shell (though it may be reduced or absent, as in slugs), a muscular foot for locomotion, and a distinct head with sensory tentacles.
Usage Examples
- Noun:
- The class Gastropoda is one of the most successful groups of mollusks, with over 60,000 living species.
- Marine biologists study the class Gastropoda to understand the evolution of shell coiling.
- Slugs belong to the class Gastropoda but have evolved to live without an external shell.
Advanced Usage
- In taxonomic hierarchy: Used in formal biological classification.
- The organism was definitively placed within the class Gastropoda based on its radula and foot morphology.
Variants and Related Words
- Gastropod (n): A member of the class Gastropoda; an individual snail, slug, whelk, etc.
- The garden is home to many gastropods.
- Gastropoda: The same term, often used without "class" in technical contexts.
- The phylogeny of Gastropoda is complex.
Synonyms
- Univalves: An older, less precise term for gastropods, referring to their single-shelled nature (though not all gastropods have a visible shell).
- Snails and slugs: Common names for the most familiar members of this class.
Related Terms (Not Phrasal Verbs)
- Mollusca: The phylum to which the class Gastropoda belongs.
- Cephalopoda: Another class of mollusks (e.g., octopus, squid) often contrasted with Gastropoda.
- Bivalvia: The class of mollusks with two hinged shells (e.g., clams, oysters).
Noun
-
snails and slugs and their relatives
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