subphylum Urochordata

Học thuật
Thân thiện
Definition
  1. 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
  1. tunicates