Haplorhini

Translingual
Callicebus brunneus
(infraorder Simiiformes)

Alternative forms

Etymology

From Ancient Greek ἁπλός (haplós, “simple”) + ῥινός (rhinós, “nose”), referring to the lack of a rhinarium (a wet nose, which is found in many mammals, including strepsirrhine primates).[1]

Proper noun

Haplorhini

  1. A taxonomic suborder within the order Primates – tarsiers, monkeys, apes, and humans.

Usage notes

The spelling with a single r, which was the one originally used (in Pocock 1918), has been modified by some taxonomists to have a double rr following etymological rules of derivation from Ancient Greek. Both spellings are in use in the scientific literature.

Hyponyms

References
  1. Ankel-Simons, F. (2007) Primate Anatomy, ISBN 978-0-12-372576-9, pages 394–395:
    Those primates with a philtrum and wet rhinarium have therefore been classified together as Strepsirrhini (Geoffroy, 1812) because of the structural similarity of these two characters in the nasal area. (Strepho means 'turned inward' in Greek and rhinos is Greek for 'nose.') In those primates whose snout is reduced in length and whose incisors are positioned close to each other, the rhinarium disappears. This is the case for tarsiers and anthropoids among primates, and therefore they were labeled together as Haplorhini (haplo means 'simple, single' in Greek).

Further reading
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