http://www.newworldencyclopedia.org/entry/Howler_monkey

Jan 15, 2018 ... Howler monkeys comprise the genus Alouatta and belong to the Atelidae ... howler monkeys have 36 teeth, following the dental formula of I 2/2, ...

https://www2.palomar.edu/anthro/primate/prim_4.htm

Nose comparison of a New World monkey--the emperor tamarin (left) and an Old ... All Old World monkeys, apes, and humans share this 2.1.2.3 dental formula.

http://www.chimpanzoo.org/lessons/dentition/tdent.pdf

classify and give the dental formulas for each of the following primates as either: primitive, prosimian, New World Monkey Old World Monkey,. Ape, or Human. TEETH: Incisors; used ... Dental Formula Category. 1. Howler Monkey. Male. 2133.

https://en.wikipedia.org/wiki/New_World_monkey

New World monkeys are the five families of primates that are found in the tropical regions of ... New World monkeys (except for the howler monkeys of genus Alouatta) also typically lack the trichromatic vision of Old World monkeys. ... gibbons, orangutans, and most humans, which share a dental formula of 2.1.2.3 2.1.2.3.

https://www.untamedscience.com/order/primates/

The haplorrhiines, or dry nose primates, include monkeys, apes, humans, and tarsiers. ... only see in black and white, catarrhines and howler monkeys have full color vision. ... Catarrhines, apes, and humans all have a dental formula of 2.1. 2.3.

https://animaldiversity.org/accounts/Alouatta_palliata/

Mantled howler monkeys are found in southern Mexico (the states of Veracruz, Campeche, Chiapas ... The dental formula is (I 2/2, C 1/1, PM 3/3, M 3/3) X 2 = 36 .

https://animaldiversity.org/accounts/Atelidae/

The howler monkeys (Alouatta) are the most widespread New World monkey genus, occurring from southern Mexico ... Dental formula is I 2/2; C1/1; P 3/3; M 3/ 3.

https://link.springer.com/article/10.1007/BF01730241

Howler monkeys ( Alouatta caraya) were studied in northern Argentina and ... body lengths, a body length formula based on the Ponderal Index and dental age .

http://luna.cas.usf.edu/~rtykot/ANT3101/primates/new_monkeys.html

... another limb. New World Monkeys all have a 2-1-3-3 dental formula. ... Howler monkeys are found in tropical rain forests and deciduous forests. They occupy ...

https://www.sciencedirect.com/topics/pharmacology-toxicology-and-pharmaceutical-science/tarsier

The tarsier dental formula, 2.1.3.3/1.1.3.3, is unique among primates, but tarsier teeth .... Among monkeys, both the South American howler monkey and the ...