Definition

Noun: - A taxonomic class of mollusks: "Class Lamellibranchia" is a scientific term in zoological classification. It refers to a major class of aquatic mollusks characterized by having a shell consisting of two hinged valves (a bivalve shell) and gills (lamellae) used for both respiration and filter feeding. This class includes familiar shellfish such as oysters, clams, scallops, and mussels. - Synonym for Bivalvia: In modern taxonomy, "Lamellibranchia" is often considered synonymous with the class Bivalvia.

Usage Examples

• Noun:
  • The Class Lamellibranchia includes many economically important species for aquaculture.
  • Marine biologists study the diverse members of the Class Lamellibranchia.

Advanced Usage

• In taxonomic hierarchy: The term is used in formal biological classification.
  • The phylum Mollusca is divided into several classes, including Gastropoda, Cephalopoda, and Lamellibranchia.

Variants and Related Words

• Bivalvia (n): The more commonly used modern synonym for this class of mollusks.
• Lamellibranch (n): A member of the Class Lamellibranchia; a bivalve mollusk.
  • Oysters are lamellibranchs.
• Pelecypoda (n): An older, alternative taxonomic name for the same class.

Synonyms

• Bivalvia: The equivalent class name in modern biological taxonomy.
• Pelecypoda: An older synonym for the same class of organisms.

Noun

1. oysters; clams; scallops; mussels