Scyphozoa

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Definition
  1. Noun:
    • A class of marine coelenterates: Scyphozoa refers to a taxonomic class within the phylum Cnidaria, characterized primarily by their medusa (jellyfish) form being the dominant and conspicuous life stage, while the polyp stage is either absent or greatly reduced and inconspicuous.
Usage Examples
  • Noun:
    • The lion's mane jellyfish is a well-known member of the Scyphozoa.
    • Marine biologists study the life cycle of Scyphozoa to understand their ecology.
Advanced Usage
  • In scientific taxonomy: The term is used formally to classify and discuss true jellyfish, distinguishing them from other gelatinous zooplankton like those in the class Hydrozoa.
    • The phylogenetic study aimed to resolve the relationships within the Scyphozoa.
Variants and Related Words
  • Scyphozoan (n): An individual organism belonging to the class Scyphozoa.
    • The stranded scyphozoan was carefully examined by the researcher.
Synonyms
  • True jellyfish: A common name for organisms in this class.
  • Cup animals: A literal translation from the Greek roots of the word ( meaning cup and meaning animal).
Related Phrases
  • Scyphozoan medusa: Specifically refers to the free-swimming, bell-shaped adult form of these organisms.
    • The scyphozoan medusa pulsates to move through the water.
Noun
  1. coelenterates in which the polyp stage is absent or at least inconspicuous: jellyfishes

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