platyrrhinian

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platyrrhinian

A platyrrhinian monkey swings through the rainforest canopy.

Definition

  1. Adjective:

    • Relating to a major division of primates, the New World monkeys, characterized by nostrils that are wide apart and open to the sides.
    • Relating to a person with a broad nose.

  2. Noun:

    • A member of the Platyrrhini, a group of New World monkeys. These are typically arboreal (tree-dwelling) monkeys with hairy faces, widely separated nostrils, and often long, prehensile tails.
Usage Examples

  • Adjective:

    • The platyrrhinian skull structure is distinct from that of Old World monkeys.
    • Anthropologists studied the platyrrhinian nasal features in certain populations.

  • Noun:

    • Howler monkeys and spider monkeys are both platyrrhinians.
    • The zoo's new exhibit features several platyrrhinians from the Amazon rainforest.
Advanced Usage
  • In Biological Classification: The term is used in scientific taxonomy. The parvorder (platyrrhines) is contrasted with (catarrhines, which include Old World monkeys, apes, and humans).
    • The evolutionary split between platyrrhinian and catarrhinian primates occurred millions of years ago.
Variants and Related Words
  • Platyrrhine (adj/n): A more common synonym in scientific writing.
    • Platyrrhine monkeys are found only in Central and South America.
  • Platyrrhini (n): The taxonomic parvorder name.
    • The parvorder Platyrrhini encompasses all New World monkeys.
Synonyms
  • New World monkey (noun): The common name for a platyrrhinian primate.
  • Broad-nosed (adjective, for the physical trait).
Antonyms
  • Catarrhinian or Catarrhine (adj/n): Relating to or a member of the primate group (Catarrhini) with closely spaced, downward-facing nostrils, including Old World monkeys, apes, and humans.
platyrrhinian

A platyrrhinian monkey swings through the rainforest canopy.

Adjective
  1. of or related to New World monkeys having nostrils far apart or to people with broad noses
Noun
  1. hairy-faced arboreal monkeys having widely separated nostrils and long usually prehensile tails

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