phylum mollusca

Thân thiện

A marine biologist points to a diagram showing the major classes of phylum mollusca.

Definition

1. 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.

Học thuật

Noun

1. gastropods; bivalves; cephalopods; chitons

Từ đồng nghĩa

• Mollusca
• phylum Mollusca