subphylum Urochordata
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Definition
- Noun:
- A taxonomic subphylum within the phylum Chordata: This subphylum comprises marine invertebrate chordates, commonly known as tunicates or sea squirts. These animals are characterized by a notochord present only in the larval tail stage and a protective outer covering called a tunic.
Usage Examples
- Noun:
- The subphylum Urochordata includes organisms like sea squirts and salps.
- Scientists study the subphylum Urochordata to understand chordate evolution.
Advanced Usage
- In taxonomic hierarchy: Used in formal biological classification to denote a specific group.
- The class Ascidiacea belongs to the subphylum Urochordata.
Variants and Related Words
- Urochordata (n): Often used synonymously with "subphylum Urochordata" in less formal contexts.
- Tunicata (n): An alternative, synonymous name for the same subphylum.
- Tunicate (n): A common name for any member of this subphylum.
- A tunicate is a member of the subphylum Urochordata.
Synonyms
- Tunicates: The common name for the animals in this group.
- Urochordates: A direct synonym referring to the members of this subphylum.
Noun
- tunicates