genus sagitta

Thân thiện

A marine biologist examines a genus Sagitta specimen under a microscope.

Definition

1. Noun:
   • A taxonomic genus within the phylum Chaetognatha: "genus Sagitta" is the chief genus of arrow worms, a group of small, transparent, predatory marine worms. It includes the largest species within the phylum.

Usage Notes

• This term is used exclusively in scientific contexts, specifically in zoological and marine biological classification. It refers to a specific group of organisms known as arrow worms or chaetognaths.
• The word "Sagitta" is Latin for "arrow," which describes the shape of these worms.

Examples of Usage

• Noun:
  • The specimen was identified as belonging to the genus Sagitta.
  • Researchers are studying the feeding habits of genus Sagitta.
  • Genus Sagitta comprises several species of planktonic predators.

Advanced Usage

• In taxonomic hierarchy: The term is used to denote a rank above species and below family.
  • The phylum Chaetognatha includes the genus Sagitta.

Variants and Related Words

• Sagitta (n): The singular form, often used interchangeably in scientific literature to refer to the genus.
  • Sagitta elegans is a common species.
• Chaetognatha (n): The phylum to which this genus belongs.
• Arrow worm (n): The common name for organisms in the phylum Chaetognatha, including those in genus Sagitta.

Synonyms

• Arrow worm genus (n): A descriptive synonym in common scientific language.

Related Phrases

• Type genus: "Genus Sagitta" is often described as the type genus for the phylum or class within taxonomic descriptions.
  • Genus Sagitta is considered a type genus for the group.

Học thuật

Noun

1. chief genus of Chaetognatha including the largest arrowworms

Từ đồng nghĩa

• genus sagitta