family Petromyzontidae

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Definition
  1. Noun:
    • A taxonomic family of jawless fish: "Petromyzontidae" is the scientific name for the family that comprises lampreys, which are primitive, eel-like aquatic vertebrates lacking jaws and paired fins.
Usage Examples
  • Noun:
    • The sea lamprey belongs to the family Petromyzontidae.
    • Biologists study the life cycle of species within the family Petromyzontidae.
Advanced Usage
  • In taxonomic hierarchy: The term is used in formal biological classification to group all lamprey species under this single family name.
    • The order Petromyzontiformes contains the family Petromyzontidae.
Variants and Related Words

  • Petromyzontid (noun/adjective): A member of the family Petromyzontidae; pertaining to this family.

    • Petromyzontid larvae are called ammocoetes.

  • Lamprey (noun): The common name for any jawless fish of the family Petromyzontidae.

    • The river is populated by several species of lamprey.
Synonyms
  • Lampreys: The common name for the group.
  • Jawless fish: A broader descriptive term that includes Petromyzontidae and other families like Myxinidae (hagfish).
Related Phrases
  • Family of lampreys: A descriptive phrase equivalent to Petromyzontidae.
    • He is an expert on the family of lampreys known as Petromyzontidae.
Noun
  1. lampreys

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