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Reference: Fleagle's Primate adaptation and evolution (second edition).
Cercopithecoids are members of the primate family, Cercopithecidae. Examples include old world monkeys such as Macaques and Colobus. These members of the primate family are found in the suborder anthropoidea, infraorder catarrhini.
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How do you identify a cercopithecoid fossil?
Cercopithecoid fossils can be identified by their dental formula, which typically includes 2 incisors, 1 canine, 2 premolars, and 3 molars in each quadrant of the mouth. Other features include a bilophodont molar pattern with distinctive ridges and cusps. The shape and size of the skull, as well as the presence of specific cranial features like a forward-facing foramen magnum, can also help in identification.
How would a paleoprimatologist identify a cercopithecoid fossil to the exclusion of other primate groups?
A paleoprimatologist would identify a cercopithecoid fossil by examining specific morphological features characteristic of this group, such as the structure of the skull, dental patterns, and limb proportions. Cercopithecoids, or Old World monkeys, typically have a bilophodont molar pattern, a more elongated snout, and a distinct postorbital closure compared to other primate groups. Additionally, the presence of certain cranial traits, such as a well-defined nasal region and specific orbital configurations, would further aid in distinguishing cercopithecoids from other primates like prosimians or New World monkeys.
What kind of pattern markings do monkeys have?
There are many, many different species and subspecies of monkeys. Each has its own unique markings. 264 species of monkeys are known. Monkeys are divided into two groups, old world (cercopithecoid) and new world (platyrrhine). They are quite distinct from each other. The old world monkeys are closely related to apes, while new world monkeys are very distant from apes and other monkeys.
What is the difference between tarsiers and bush babies?
Tarsiers and bush babies are both small, nocturnal primates, but they belong to different families. Tarsiers are part of the Tarsiidae family, while bush babies are members of the Galagidae family. One key difference is their geographic distribution, with tarsiers found in Southeast Asia and bush babies in Africa. Additionally, tarsiers have elongated ankle bones, allowing them to leap long distances, while bush babies have specialized adaptations for leaping and climbing in their forest habitats.
