family comatulidae

Thân thiện

A feather star from the family Comatulidae clings to a coral reef.

Definition

1. Noun:
   • A taxonomic family of echinoderms: "Family Comatulidae" refers to a former taxonomic classification for a group of crinoids, commonly known as feather stars. In modern taxonomy, this group is now considered synonymous with the family Antedonidae.

Usage Notes

• The term "Family Comatulidae" is used primarily in historical or older biological and paleontological literature. In contemporary scientific contexts, the accepted family name is Antedonidae. When encountered, it specifically denotes a family of unstalked, free-swimming crinoids.

Examples

• Noun:
  • The fossil was classified under the family Comatulidae in the 19th-century text.
  • Species once grouped in the family Comatulidae are now placed in Antedonidae.

Advanced Usage

• In taxonomic history: The term appears in discussions of the evolution of biological classification.
  • The revision from Family Comatulidae to Antedonidae reflects advances in morphological understanding.

Variants and Related Words

• Comatulid (n): A member of the family Comatulidae/Antedonidae; a feather star.
  • The comatulid attached itself to the coral reef.
• Antedonidae (n): The current accepted taxonomic family name for these crinoids.

Synonyms

• Antedonidae: The modern synonym for the taxonomic family.

Học thuật

Noun

1. former usage synonymous with Antedonidae

Từ đồng nghĩa

• Comatulidae
• family Comatulidae