phylum mollusca
Definition
- Noun:
- A major taxonomic division of invertebrate animals: "phylum Mollusca" is the scientific name for a large and diverse phylum within the animal kingdom, characterized by soft-bodied animals, most of which secrete a hard external shell made of calcium carbonate.
- The mollusk group: It is the formal taxonomic category encompassing all mollusks.
Usage Examples
- Noun:
- The study focused on the evolutionary history of phylum Mollusca.
- Snails, clams, and octopuses all belong to phylum Mollusca.
Advanced Usage
- In taxonomic hierarchy: Used in formal biological classification to denote the rank below Kingdom and above Class.
- The animal was classified within the kingdom Animalia, phylum Mollusca, and class Gastropoda.
Variants and Related Words
- Mollusca: The same term without "phylum"; often used interchangeably in scientific contexts.
- Mollusca is one of the most species-rich phyla.
- Mollusk (noun): A common name for any member of this phylum.
- A snail is a type of mollusk.
Synonyms
- Mollusks: The common, non-scientific term for the members of this phylum.
Related Phrases
- Phylum level: Pertaining to the taxonomic rank of phylum.
- Characteristics are often shared at the phylum level.
Noun
-
gastropods; bivalves; cephalopods; chitons
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