genus Antedon
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Definition
Noun: * A taxonomic genus of marine animals within the family Antedonidae, comprising feather stars, which are free-swimming crinoids (echinoderms) characterized by a cup-shaped body and numerous feathery, branched arms used for filter feeding and locomotion.
Usage
- The term is used in scientific classification (taxonomy) and marine biology to specifically identify and discuss this group of feather stars.
- It is a proper noun and is typically italicized in scientific writing.
Examples
- The specimen was definitively classified under genus Antedon.
- Genus Antedon includes species found in both deep and shallow waters.
- A key characteristic of genus Antedon is the number and structure of its cirri (small appendages).
Advanced Usage
- In taxonomic hierarchy, genus Antedon is placed within the order Comatulida, which contains the majority of living crinoid species.
- The name is often used in contrast to other crinoid genera, such as or , to highlight specific morphological or ecological differences.
Variants and Related Words
- Antedon (n): The abbreviated form of the genus name, used interchangeably in many scientific contexts.
- Antedonidae (n): The family to which this genus belongs.
- Feather star (n): The common name for crinoids in the order Comatulida, which includes members of genus .
- Crinoid (n): The broader class of echinoderms to which feather stars and sea lilies belong.
Synonyms
- (There are no direct common-language synonyms for this precise scientific taxonomic term. The closest approximations refer to the broader group.)
- Feather star genus (descriptive phrase)
- Comatulid genus (descriptive phrase within the order)
Related Phrases
- Member of genus Antedon: An organism classified within this genus.
- Type species of Antedon: The first species described to define the genus, which is .
Notes
- As a formal Linnaean binomial name, the genus is always capitalized. The full species name includes the genus followed by a specific epithet (e.g., ).
- This term is almost exclusively used in academic, research, or advanced educational contexts related to marine biology or zoology.
Noun
- a genus of echinoderms of the family Antedonidae