family Arcidae

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Definition

Noun: - A family of bivalve mollusks: The Arcidae is a taxonomic family of marine bivalves commonly known as ark shells or ark clams. These mollusks are characterized by their boat-shaped, often heavily ribbed shells with a straight hinge line bearing numerous small, similar teeth.

Usage Examples
  • Noun:
    • The family Arcidae includes many species of commercial importance.
    • Biologists study the unique hinge structure of the family Arcidae.
    • Fossil records show that the family Arcidae has existed for millions of years.
Advanced Usage
  • In taxonomic classification: The term is used in scientific contexts to group species with shared morphological and genetic characteristics under the class Bivalvia.
    • The specimen was definitively placed within the family Arcidae based on its hinge dentition.
Variants and Related Words
  • Arcidae: The standard scientific name for the family.
  • Ark shell (n): The common name for an individual bivalve belonging to the family Arcidae.
    • An ark shell washed up on the beach.
  • Ark clam (n): Another common name for these mollusks.
Synonyms
  • Ark shells (common name)
  • Ark clams (common name)
  • Noah's arks (informal/common name for some species)
Related Terms (Contextual)
  • Bivalve (n): The larger class of mollusks to which this family belongs, characterized by a two-part hinged shell.
  • Hinge teeth (n): A key identifying feature of the family Arcidae.
Noun
  1. ark shells

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