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
- ark shells