Definition

1. Noun:
   • A taxonomic family of dinoflagellates: "Family Peridiniidae" refers to a specific biological family within the order Peridiniales, comprising both marine and freshwater dinoflagellate algae. These are single-celled organisms characterized by their distinctive armored plates and two flagella for movement.

Usage Examples

• Noun:
  • The water sample contained several species from the family Peridiniidae.
  • Researchers are studying the life cycle of the family Peridiniidae.

Advanced Usage

• In taxonomic hierarchy: Used in scientific classification to denote a group below the order level and above the genus level.
  • The genus Peridinium belongs to the family Peridiniidae.

Variants and Related Words

• Peridiniid (adj/noun): Of or pertaining to the family Peridiniidae; a member of this family.
  • The peridiniid cell was examined under the microscope.

Synonyms

• Peridiniacean family: A less common synonym referring to the same taxonomic group.

Noun

1. marine and freshwater dinoflagellates