Definition of platyrrhine in English:

platyrrhine

Syllabification: plat·yr·rhine
Pronunciation: /ˈplatəˌrīn, -rin
 
/
Zoology

adjective

  • Of or relating to primates of a group that comprises the New World monkeys, marmosets, and tamarins. They are distinguished by having nostrils that are far apart and directed forward or sideways, and typically have a prehensile tail. Compare with catarrhine.
    More example sentences
    • In addition, newly generated DNA sequences indicate that platyrrhine monkeys use a different mechanism of alpha gene expression control than that found in catarrhines.
    • The subsequent chapters offer broad discussion of the platyrrhine fossil record and, compared to early chapters, are richly illustrated with both cranial and postcranial material.

noun

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  • A platyrrhine primate.
    • Infraorder Platyrrhini, order Primates: families Cebidae and Callitrichidae
    More example sentences
    • There were five primate lineages studied here: hominoids, colobines, cercopithecines, platyrrhines (New World monkeys), and lemurs.
    • The failure is not due to the number of sequences included, as the species phylogeny was not recovered for either catarrhines or platyrrhines when all nuclear sequences were excluded from the phylogenetic analysis.

Origin

mid 19th century: from platy- 'flat' + Greek rhis, rhin- 'nose' + -ine1.

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