class asteroidea

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Definition
  1. Noun:
    • A taxonomic class of echinoderms: "Class Asteroidea" is the scientific name for the biological class comprising marine animals commonly known as sea stars or starfish. These are characterized by a central disc and typically five or more radiating arms.
Usage Examples
  • Noun:
    • The class Asteroidea includes familiar species like the common starfish.
    • Marine biologists study the unique water vascular system of class Asteroidea.
Advanced Usage
  • In scientific classification: The term is used in formal taxonomy to group all sea star species.
    • The phylum Echinodermata is divided into several classes, including class Asteroidea and class Echinoidea.
Variants and Related Words
  • Asteroid (adj): Pertaining to or characteristic of sea stars.
    • The asteroid body plan is distinct from that of brittle stars.
  • Asterozoan (n): A member of the subphylum Asterozoa, which includes the class Asteroidea.
    • Asterozoans exhibit radial symmetry.
Synonyms
  • Sea stars: The common name for members of this class.
  • Starfish: A common, though increasingly discouraged (as they are not fish), name for these animals.
Related Phrases
  • "Asteroid morphology": Refers to the study of the form and structure of sea stars.
    • The research paper focused on asteroid morphology in deep-sea environments.
Noun
  1. sea stars

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