In his '' Systema Naturae'' of 1758, Carl Linnaeus divided the Order Primates within ''

Mammalia Mammals () are a group of vertebrate animals constituting the class Mammalia (), characterized by the presence of mammary glands which in females produce milk for feeding (nursing) their young, a neocortex (a region of the brain), fur o ...

'' into four genera: '' Homo'', ''Simia'', '' Lemur'', and ''

Vespertilio ''Vespertilio'' is a genus of bats in the family Vespertilionidae. The common name for this family is vesper bats, which is a better-known classification than ''Vespertilio''. They are also known as frosted bats. Species within the genus ''Vespe ...

''. His ''Vespertilio'' included all

bat Bats are mammals of the order Chiroptera.''cheir'', "hand" and πτερόν''pteron'', "wing". With their forelimbs adapted as wings, they are the only mammals capable of true and sustained flight. Bats are more agile in flight than most bi ...

s, and has since been moved from Primates to

Chiroptera Bats are mammals of the order Chiroptera.''cheir'', "hand" and πτερόν''pteron'', "wing". With their forelimbs adapted as wings, they are the only mammals capable of true and sustained flight. Bats are more agile in flight than most bi ...

. ''Homo'' contained humans, ''Lemur'' contained four lemurs and a

colugo Colugos () are arboreal gliding mammals that are native to Southeast Asia. Their closest evolutionary relatives are primates. There are just two living species of colugos: the Sunda flying lemur (''Galeopterus variegatus'') and the Philippine fl ...

, and ''Simia'' contained the other Primates. Linnaeus did not think that ''Homo'' should form a distinct group from ''Simia'', classifying them separately mainly to avoid conflict with religious authorities. If this is taken into account, ''Simia'' (including ''Homo'') would be roughly equivalent to the Suborder

Haplorhini Haplorhini (), the haplorhines (Greek for "simple-nosed") or the "dry-nosed" primates, is a suborder of primates containing the tarsiers and the simians (Simiiformes or anthropoids), as sister of the Strepsirrhini ("moist-nosed"). The name is some ...

of the Primates (while ''Lemur'' would be roughly equivalent to the Suborder Strepsirrhini). ''Homo'', ''Lemur'', and ''Vespertilio'' have survived as generic names, but ''Simia'' has not. All the species have since been moved to other genera, and in 1929, the International Commission on Zoological Nomenclature ruled in its ''Opinion 114'' that ''Simia'' be suppressed. The genus ''Simias'' is distinct and remains valid, containing a single species, the

pig-tailed langur The pig-tailed langur (''Simias concolor''), monotypic in genus ''Simias'', is a large Old World monkey, endemic to several small islands off the coast of Sumatra in Indonesia. Its face is black, its fur is black-brown and it has a relatively sho ...

(''Simias concolor''). The original genus ''Simia'' came to include these species:

References

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External links

Disposition of Primate Names Used by Linnaeus
Obsolete primate taxa Primate genera Taxa named by Carl Linnaeus

See also

References

External links