order Pycnogonida
Học thuậtThân thiện
Definition
- Noun:
- A taxonomic order of marine arthropods: "Order Pycnogonida" is the scientific name for a group of marine animals commonly known as sea spiders. They are characterized by their small bodies and very long legs, and are found in oceans worldwide.
Usage Examples
- Noun:
- The biologist studied the unique anatomy of the Order Pycnogonida.
- Species within Order Pycnogonida are more diverse in polar seas.
Advanced Usage
- In taxonomic hierarchy: The term is used in formal biological classification to group all sea spider species.
- The class Pycnogonida contains only the Order Pycnogonida.
Variants and Related Words
- Pycnogonida (noun): The class name, often used interchangeably in general contexts to refer to sea spiders.
- Pycnogonida are not true spiders.
- Sea spider (noun): The common name for any member of this order.
- A sea spider was crawling on the coral.
- Pycnogonid (noun/adjective): A member of the Order Pycnogonida; relating to this order.
- The pycnogonid specimen was carefully preserved.
Synonyms
- Sea spiders: The common English name for the group.
Notes
- This is a specialized scientific term. In non-scientific contexts, the common name "sea spiders" is almost always used instead of "Order Pycnogonida".
Noun
- sea spiders