class scyphozoa
Definition
- Noun:
- A taxonomic class of marine coelenterates: Class Scyphozoa refers to a group of jellyfish where the medusa (jellyfish) stage is the dominant and conspicuous form in the life cycle, while the polyp stage is either absent or very small and inconspicuous.
Usage Examples
- Noun:
- True jellyfish, such as the moon jelly, belong to the class Scyphozoa.
- The class Scyphozoa is distinguished by the complex structure of their medusae.
Advanced Usage
- In taxonomic hierarchy: The term is used in scientific classification to group specific organisms.
- In biological taxonomy, Scyphozoa is a class under the phylum Cnidaria.
Variants and Related Words
- Scyphozoan (n): An individual member of the class Scyphozoa.
- A scyphozoan can often be identified by its bell shape and trailing tentacles.
Synonyms
- True jellyfish: A common name for organisms in this class.
- Scyphomedusae: A scientific term often used interchangeably to refer to the medusae of this class.
Related Phrases
- Scyphozoan life cycle: Refers to the specific developmental stages of these organisms.
- The scyphozoan life cycle typically involves a planula larva and a small polyp stage called a scyphistoma.
Noun
-
coelenterates in which the polyp stage is absent or at least inconspicuous: jellyfishes
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