Definition

Noun (Proper noun) * A taxonomic family of marine mammals: Family Eschrichtiidae is the biological family that comprises only the gray whales. It is a group within the order Cetacea (whales, dolphins, and porpoises).

Usage Notes

• This term is used exclusively in scientific and zoological contexts to classify a specific type of baleen whale.
• As a proper noun referring to a taxonomic family, it is typically capitalized: .
• It is a singular collective noun referring to the entire family group.

Examples of Usage

• Scientific Classification: "The gray whale, , is the sole living species within the family Eschrichtiidae."
• Comparative Biology: "Unlike other baleen whale families, the family Eschrichtiidae is distinguished by its short, coarse baleen plates and its unique bottom-feeding behavior."
• Conservation Context: "Protecting the migratory routes is crucial for the survival of the family Eschrichtiidae."

Advanced Usage

• Phylogenetic Discussion: In discussions of whale evolution, is often mentioned as a distinct lineage that diverged from other baleen whales.
  • Example: "Molecular studies support the monotypic status of the family Eschrichtiidae."

Variants and Related Words

• Eschrichtiidae: The standard form, often used without the word "family" in technical writing.
• Gray whale (or grey whale) (): The common name for the single living species in this family.
• Cetacea: The larger order that includes this family.
• Mysticeti: The suborder of baleen whales, which includes this family.

Synonyms

• Gray whale family: A descriptive, non-technical synonym.
• (There are no direct taxonomic synonyms, as it is a unique, officially recognized family name.)

Related Terms (Not Synonyms)

• Balaenopteridae: The family of rorquals (e.g., blue whales, humpback whales), a different family of baleen whales.
• Balaenidae: The family of right whales.
• Monotypic family: A taxonomic family containing only one genus or species, which is the case for Eschrichtiidae.

Noun

1. comprising only the grey whales