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