phocoena

Thân thiện

A phocoena swims near a rocky coastline.

Definition

Noun 1. A genus of porpoises: The word "phocoena" is the scientific name (the genus) for a specific group of small, toothed whales commonly known as porpoises. In taxonomy, it is the genus within the family Phocoenidae.

Usage Notes

• "Phocoena" is a specialized, scientific term used primarily in biology, marine science, and zoology. It is not used in everyday conversation.
• It is always capitalized because it is a proper noun referring to a genus name.
• In non-scientific contexts, the common name "porpoise" is always used instead.

Examples

• Scientific Context:
  • The harbor porpoise is classified under the genus Phocoena.
  • Researchers studied the skeletal structure of Phocoena phocoena, the most common porpoise species.
  • The paper compared the echolocation signals of Phocoena to those of dolphins.

Advanced Usage

• In Taxonomic Hierarchy: The term is used to specify the genus level of classification. For example:
  • Kingdom: Animalia
  • Phylum: Chordata
  • Class: Mammalia
  • Order: Cetacea
  • Family: Phocoenidae
  • Genus: Phocoena
  • Species: Phocoena phocoena (harbor porpoise)

Variants and Related Words

• Phocoenidae (n): The family name that includes all porpoises, encompassing the genus and other related genera like (finless porpoise).
• Porpoise (n): The common English name for the aquatic mammals belonging to the family Phocoenidae, including those in the genus .

Synonyms

• Porpoise (common name)

Different Meanings

This word has only one specific meaning as a scientific genus name for porpoises. It does not have idiomatic meanings or phrasal verbs.

Học thuật

Noun

1. porpoises

Từ đồng nghĩa

• Phocoena
• genus Phocoena