Human ancestors at West Asian site deemed two species
Disputed fossil study splits a pivotal early Homo species in two
![](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2014/02/bb_DmanisiJaws_feat.jpg?fit=860%2C460&ssl=1)
ONE OR TWO These ancient lower jaws excavated in West Asia come from two different Homo species, a contested study concludes. The assessment conflicts with the proposal by the fossils’ discoverers that they represent a single species.
Dmanisi Team/Georgian National Museum