subclass Cirripedia

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Definition
  1. Noun:
    • A taxonomic subclass of crustaceans: "Subclass Cirripedia" is the scientific classification for a group of marine crustaceans commonly known as barnacles.
    • Characterized by a sedentary adult stage: Members of this subclass are typically sessile as adults, attaching themselves permanently to hard surfaces like rocks, ship hulls, or whales.
Usage Examples
  • Noun:
    • The biologist studied the unique reproductive system of the Subclass Cirripedia.
    • Barnacles, belonging to the Subclass Cirripedia, can significantly affect a ship's fuel efficiency.
Advanced Usage
  • In taxonomic hierarchy: Used in scientific literature to specify this particular group within the class Maxillopoda.
    • The order Pedunculata is one of the orders within the Subclass Cirripedia.
Variants and Related Words
  • Cirriped (n): Another term for a barnacle; a member of the Cirripedia.
    • The cirriped's calcareous plates were examined under the microscope.
  • Cirripede (n): Variant spelling of cirriped.
  • Barnacle (n): The common name for these organisms.
    • The pier's pilings were covered in barnacles.
Synonyms
  • Barnacles: The common, non-scientific term.
  • Cirripeds: A direct synonym referring to the members of this subclass.
Related Phrases
  • Gooseneck barnacle: A common type of barnacle with a stalk (peduncle), belonging to this subclass.
    • Gooseneck barnacles are a prized delicacy in some cuisines.
  • Acorn barnacle: A common type of barnacle without a stalk, also belonging to this subclass.
    • Acorn barnacles covered the rocky shore.
Noun
  1. barnacles

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