mysticeti

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mysticeti

A blue whale, a mysticeti, swims in the deep ocean.

Definition

Proper noun 1. A taxonomic suborder of whales: Mysticeti refers to the scientific suborder of cetaceans (whales) characterized by having baleen plates for filter-feeding, instead of teeth. These are commonly known as baleen whales.

Usage Notes
  • Capitalization: As a proper noun referring to a taxonomic group, "Mysticeti" is always capitalized.
  • Context: This term is used almost exclusively in scientific, zoological, or academic contexts when discussing whale classification, biology, or evolution. It is not used in everyday conversation.
  • Singular/Plural: While "Mysticeti" is a singular noun referring to the entire suborder, it is often treated as a plural group in sentences (e.g., "The Mysticeti include the largest animals on Earth.").
Examples
  • The blue whale, a member of the Mysticeti, is the largest animal known to have ever existed.
  • Scientists study the fossil record to understand the evolution of the Mysticeti from toothed ancestors.
  • Mysticeti are distinguished from Odontoceti (toothed whales) by their feeding apparatus.
Advanced Usage
  • Phylogenetic Context: In modern cladistics, Mysticeti is a crown group within Cetacea, defined as all descendants of the last common ancestor of living baleen whale families.
  • Adjectival Form: The adjective mysticete (not capitalized) is used to describe characteristics of these whales.
    • Example: The mysticete skull shows clear adaptations for baleen feeding.
Variants and Related Words
  • Mysticete (noun, common): An individual baleen whale. (e.g., "The stranded whale was identified as a mysticete.")
  • Baleen whale (noun, common): The common English name for any whale in the Mysticeti suborder.
  • Odontoceti (proper noun): The contrasting suborder of toothed whales, which includes dolphins, porpoises, and sperm whales.
Synonyms
  • Baleen whales
  • Whalebone whales (archaic)
Different Meanings

The word "Mysticeti" has only one specific meaning in modern English: the taxonomic suborder of baleen whales. It does not have other general definitions.

mysticeti

A blue whale, a mysticeti, swims in the deep ocean.

Noun
  1. baleen whales: right whales; rorquals; blue whales; humpbacks

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