family Cercopithecidae
Proper noun A taxonomic family within the order Primates, comprising the Old World monkeys. These are primates native to Africa and Asia, characterized by close-set nostrils that open downward, tails that are never prehensile, and often having ischial callosities (sitting pads). This family includes many familiar monkeys such as baboons, macaques, and guenons.
The term "Cercopithecidae" is used in scientific, zoological, and academic contexts to classify and discuss this specific biological family. It is a formal taxonomic label.
Examples * The family Cercopithecidae is one of the most diverse groups of primates. * Researchers are studying the social structures within the Cercopithecidae. * Baboons and mandrills both belong to the family Cercopithecidae.
- In taxonomic hierarchy: The term is used precisely to indicate a rank. For example: .
- Adjectival form: The adjective "cercopithecid" is used to describe characteristics of or relating to this family.
- The fossil showed distinct cercopithecid dental features.
- Cercopithecid (noun): A member of the family Cercopithecidae; an Old World monkey.
- The vervet monkey is a common cercopithecid.
- Cercopithecinae: A subfamily within Cercopithecidae, containing cheek-pouched monkeys like baboons, macaques, and guenons.
- Colobinae: A subfamily within Cercopithecidae, containing leaf-eating monkeys like colobus monkeys, langurs, and proboscis monkeys.
- Old World monkeys (common name, not a taxonomic synonym)
- Cercopithecids (informal collective term for members of the family)
The core meaning is strictly taxonomic. It does not refer to a single type of monkey but to the entire biological family that encompasses them. The key distinguishing features from New World monkeys (Platyrrhini) are downward-facing nostrils and non-prehensile tails.
- Old World monkeys: guenon; baboon; colobus monkey; langur; macaque; mandrill; mangabey; patas; proboscis monkey