Hylobates are also known as the lesser apes. Classified under the hominoid family, they include gibbons and siamangs. Families Hylobatidae Hominidae Apes are the members of the Hominoidea superfamily of primates, including humans. ... Genera Hylobates Bunopithecus Nomascus Symphalangus Gibbons are small apes that are grouped in the family Hylobatidae. ... Binomial name Hylobates (Symphalangus) syndactylus (Raffles, 1821) The Siamang (Hylobates syndactylus) is an arboreal black furred gibbon native to the forests of Malaysia and Sumatra. ...
The radius is four-fifths the length of the spine in Hylobates, and three-fifths in Simia and Ateles.
The femur's length, compared with that of the spine, is as 67 to 100 in Hylobates, 61 in Ateles, 54 in the gorilla 47 in Simia.
In Hylobates the supinator longus is inserted into the middle of the radius, and there is an anductor tertii internodii indicis going from the metacarpal of the index to its ungual phalanx.
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