Pennatulidae
Học thuậtThân thiện
Definition
Noun: - A family of marine coelenterates: Pennatulidae is the taxonomic family name for a group of colonial marine animals commonly known as sea pens. These are a type of octocoral, characterized by a feather-like or quill-like appearance, and they are found anchored in soft sediments on the sea floor.
Usage
- Scientific Classification: The word is used primarily in scientific and biological contexts to refer to this specific family within the order Pennatulacea.
- The biodiversity survey identified several species belonging to the family Pennatulidae.
- Pennatulidae are fascinating subjects for studying deep-sea ecosystems.
Advanced Usage
- As a taxonomic rank: In biological taxonomy, "Pennatulidae" is a formal, capitalized family name. It is often used in phylogenetic studies or ecological descriptions.
- The phylogenetic analysis confirmed the placement of this new genus within Pennatulidae.
Variants and Related Words
- Pennatula (n): The type genus for the family Pennatulidae.
- Sea pen (n): The common name for members of the families Pennatulidae and related families within Pennatulacea.
- The sea pen, a member of Pennatulidae, bioluminesces when disturbed.
Synonyms
- Sea pens (common name)
Notes
- This is a specialized scientific term. In general contexts, the common name "sea pens" is used. The word itself is not typically used in idioms, phrasal verbs, or everyday language.
Noun
- sea pens