Symphalangus Directory References Discover Why Is the Indy 500 Held on Memorial Day Weekend? Timeline of the 1990s 9 of the World’s Deadliest Spiders Why Was Nazi Germany Called the Third Reich? How Fast Is the World’s Fastest Human? Secret Service Code Names of 11 U.S. Presidents 7 Deadliest Weapons in History Contents Symphalangus primate genus Learn about this topic in these articles:gibbons In gibbon>Symphalangus. Molecular data indicate that the four groups are as different from one another as chimpanzees are from humans.Read More