''Cheracebus'' is one of three

genera Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nomenclat ...

titi monkey The titis, or titi monkeys, are New World monkeys of the subfamily Callicebinae, which contains three extant genera: ''Cheracebus'', ''Callicebus'', and ''Plecturocebus.'' This subfamily also contains the extinct genera ''Miocallicebus, Homuncul ...

s. Monkeys in this genus, particularly the

type species In zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the species that contains the biological type specim ...

'' Cheracebus lugens'', are sometimes referred to as widow titi monkeys. Historically, titis were monogeneric, comprising only the genus ''Callicebus'' Thomas, 1903. Owing to the great diversity found across titi monkey species, a new genus-level taxonomy was recently proposed that recognises three genera within the subfamily

Callicebinae The titis, or titi monkeys, are New World monkeys of the subfamily Callicebinae, which contains three extant genera: ''Cheracebus'', ''Callicebus'', and ''Plecturocebus.'' This subfamily also contains the extinct genera '' Miocallicebus, Homuncu ...

; ''Cheracebus'' Byrne et al., 2016 for the species of the ''torquatus'' group (Widow titis); ''

Plecturocebus ''Plecturocebus'' is one of three genera of titi monkeys. Historically, these monkeys were monogeneric, being placed in a single genus: ''Callicebus'' Thomas, 1903. Owing to the great diversity found across titi monkey species, a new genus-leve ...

'' Byrne et al., 2016 for the Amazonian and Chaco titis of the ''moloch'' and ''donacophilus'' groups; and ''

Callicebus ''Callicebus'' is a genus of monkeys known as titi monkeys. Historically, titis were monogeneric, comprising only the genus ''Callicebus'' Thomas, 1903. Owing to the great diversity found across titi monkey species, a new genus-level taxonomy w ...

'' Thomas, 1903 ''sensu stricto'', for species of the Atlantic Forest ''personatus'' group. ''Cheracebus'' is derived from the Latin ''chera'' (from the Greek χηρα) meaning widow and ''cebus'' (from the Greek kebos) meaning long tailed monkey.

Species

There are 5 species in this genus: * Lucifer titi monkey, ''Cheracebus lucifer'' * Black titi monkey, ''Cheracebus lugens'' * Colombian black-handed titi monkey, ''Cheracebus medemi'' * Red-headed titi monkey, ''Cheracebus regulus'' * Collared titi monkey, ''Cheracebus torquatus''

References

{{Taxonbar, from=Q25386202 Primate genera Taxa described in 2016