Definition

1. Noun:
   • A taxonomic category in biological classification: "phylum rotifera" is the scientific name for a phylum of microscopic, aquatic animals commonly known as rotifers.
   • A major group within the animal kingdom: This phylum is characterized by a distinctive, ciliated feeding structure called a corona and a complex jaw apparatus.

Usage

• The term "phylum rotifera" is used in formal, scientific contexts such as biology, zoology, and ecology to classify and discuss these specific organisms.
• It is typically used as a singular noun when referring to the taxonomic group as a whole.

Examples

• Noun:
  • The diversity of life in the pond sample included members of the phylum rotifera.
  • Scientists study the phylum rotifera to understand evolutionary relationships among small invertebrates.

Advanced Usage

• In taxonomic hierarchy: The term is used to specify a rank above "class" and below "kingdom."
  • The animal phylum rotifera is placed within the superphylum Platyzoa.

Variants and Related Words

• Rotifera (n): Often used synonymously with "phylum rotifera" in less formal scientific writing.
  • Rotifera are found in freshwater habitats worldwide.
• Rotifer (n): Refers to an individual organism belonging to this phylum.
  • A single rotifer was observed under the microscope.

Synonyms

• Wheel animals: A common name for rotifers, derived from the wheel-like appearance of their ciliated corona.

Noun

1. a phylum including: rotifers