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Fossil teeth unearthed in Ethiopia suggest two distinct human ancestor species lived alongside each other between 2.6 and 2.8 million years ago, reshaping what is known about our evolution.

A new study in Nature described 13 fossilized teeth from Ethiopia’s Ledi-Geraru site that belonged to both a primitive Homo and an unknown species of Australopithecus. The paper detailed teeth dated between 2.8 and 2.6 million years ago and added evidence that at least two early hominin lineages coexisted in the same region around 2.6 million years ago.

Scientists in Ethiopia unearthed pieces of 2.65 million-year-old fossilized teeth belonging to two members of a newly discovered Homo species that could challenge previously accepted understandings of human evolution.

Researchers in Ethiopia recently made a significant discovery, having unearthed fossilized teeth from an ancient human species that was previously unknown in the evolutionary history of humans.

Researchers have unearthed tooth fossils in Ethiopia dating to about 2.65 million years ago of a previously unknown species in the human evolutionary lineage, one that lived in the same time and place as the earliest-known member of the genus Homo to which our own species belongs.

New hominin fossils recovered from the Ledi-Geraru Research Project area in the Afar region of Ethiopia suggest the presence of early Homo at 2.78 and 2.59 million years ago and a previously unknown species of Australopithecus at 2.63 million years ago.

Fossilized teeth discovered in Ethiopia have revealed a new-to-science species of Australopithecus, a genus of early hominins that lived from the Pliocene to the Early Pleistocene. Not only does it add to our busy human family tree, but the discovery proves they were living alongside the oldest specimens of Homo, the genus of early humans that includes our species, Homo sapiens.

An unidentified early hominin fossil that might be a new species confirms that Australopithecus and Homo species lived in the same region of Africa in the same time frame.