The Daka Calvaria specimen number BOU-VP-2/66, is a Homo erectus

Homo erectus

Homo erectus is an extinct species of hominid that lived from the end of the Pliocene epoch to the later Pleistocene, about . The species originated in Africa and spread as far as India, China and Java. There is still disagreement on the subject of the classification, ancestry, and progeny of H...

specimen from the Daka Member of the Bouri Formation

Bouri Formation

The Bouri Formation is an area in the Middle Awash Valley, in Ethiopia that has provided a rich source of Australopithecines and Homo fossils, artifacts and bones of large mammal with cut marks from butchery...

 in the Middle Awash Study Area

Middle Awash

The Middle Awash is an archaeological site along the Awash River in Ethiopia's Afar Depression. A number of Pleistocene and late Miocene hominid remains have been found at the site, along with some of the oldest known Olduwan stone artifacts and patches of fire-baked clay, disputed evidence of the...

  of the Awash valley

Awash River

The Awash is a major river of Ethiopia. Its course is entirely contained within the boundaries of Ethiopia, and empties into a chain of interconnected lakes that begin with Lake Gargori and end with Lake Abbe on the border with Djibouti, some 100 kilometers from the head of the Gulf of Tadjoura...

of the Ethiopia Rift. It was discovered in 1997 by Henry Gilbert. With it are several other Homo erectus specimens (leg bones, cranial fragments, and a toothless mandible), a large assortment of Acheulean industry stone tools, and several hundred animal fossils. The locality dates to about 1 million years old.
The Daka Calvaria has a cranial capacity of 995 cc (for reference, a chimp has about 375cc and a human about 1,400).

Data from the Daka Member are published in journal articles, 2 monographs, and a fossil image database.