Cydippidea
Học thuậtThân thiện
Definition
- Noun:
- A taxonomic order of ctenophores: Cydippidea refers to an order of comb jellies within the phylum Ctenophora. These marine invertebrates are characterized by having two long, branched (pinnate) tentacles used for capturing prey.
Usage Examples
- Noun:
- The Cydippidea are often studied for their simple yet elegant body plan.
- A common feature of the order Cydippidea is the presence of two retractable tentacles.
Advanced Usage
- In taxonomic context: The term is used specifically in scientific classification.
- The specimen was identified as belonging to the Cydippidea based on its tentacular morphology.
Variants and Related Words
- Cydippid (adj/noun): Of or relating to the order Cydippidea; an individual ctenophore of this order.
- The cydippid body form is considered primitive among comb jellies.
Synonyms
- Cydippids: A common informal name for members of this order.
- Tentaculate ctenophores: A descriptive term highlighting their defining feature.
Notes on Meaning
This is a highly specialized scientific term with a single, precise meaning in marine biology and zoology. It is not used in everyday language.
Noun
- ctenophores having two long pinnate tentacles