A potential new species of human, dubbed the Red Deer Cave people, has been discovered in China, adding another branch to the evolutionary tree of hominids
Wed 14 Mar 2012 17.54 GMT First published on Wed 14 Mar 2012 17.54 GMT
Australopithecus afarensis, 'the southern ape', which lived between 3.8 and 2.9 million years ago
A sculptor's rendering of A. afarensis in an exhibition at the Houston Museum of Natural Science in Texas. The most complete fossil specimen of the species is 'Lucy', discovered in 1974 at Hadar in the Awash Valley of Ethiopia
Homo erectus, 'upright man', which lived from around 1.7 million to 200,000 years ago. The species originated in Africa and spread as far as India, China and Indonesia
Homo floresiensis, popularly known as 'the hobbit', a diminutive species of human discovered in Flores, Indonesia – with modern human legs for scale. H. floresiensis lived on the island of Flores in Indonesia between 94,000 and 13,000 years ago