comatula
Definition
Noun: 1. A former taxonomic name for a type of crinoid: "Comatula" is a historical scientific name that was used synonymously with the genus Antedon. It refers to a group of marine animals commonly known as feather stars or crinoids, which are echinoderms related to starfish and sea urchins.
Usage Examples
- Noun:
- The old biology textbook listed the specimen as a comatula, but modern guides classify it under the genus Antedon.
- In the 19th century, many comatula fossils were discovered in the sedimentary rock.
Advanced Usage
- Historical/Taxonomic Context: The term "comatula" is primarily encountered in historical scientific literature, older museum collections, or discussions about the history of marine biology taxonomy. It is an example of how scientific names can change as classification systems are refined.
Variants and Related Words
- Antedon (n): The current accepted genus name for the crinoids formerly called "comatula."
- Feather Star (n): The common name for these free-swimming crinoids.
- Crinoid (n): The broader class of echinoderms to which feather stars (comatula/Antedon) belong.
Synonyms
- Feather star (common name)
- Antedon (current scientific synonym)
Notes on Meaning
- The word "comatula" has a very specific and technical meaning. Its sole modern use is to refer to the obsolete name for a particular genus of crinoid. It is not used in general conversation.
Noun
-
former usage synonymous with Antedon
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