Homo antecessor is an extinct human species (or subspecies) dating from 1.2 million to 800,000 years ago, that was discovered by Eudald Carbonell, Juan Luis Arsuaga and J. M. Bermúdez de Castro. H. antecessor is one of the earliest known human varieties in Europe.
Various archaeologists and anthropologists have debated how H. antecessor related to other Homo species in Europe, with suggestions that it was an evolutionary link between H. ergaster and H. heidelbergensis, although Richard Klein believes that it was instead a separate species that evolved from H. ergaster. Others believe that H. antecessor is in fact the same species as H. heidelbergensis, who inhabited Europe from 600,000 to 250,000 years ago in the Pleistocene.
The best-preserved fossil is a maxilla that belonged to a 10-year-old individual found in Spain. Based on palaeomagnetic measurements, it is thought to be older than 780–857 ka. The average brain was 1,000 cm³ in volume. In 1994 and 1995, 80 fossils of six individuals that may have belonged to the species were found in Atapuerca, Spain. At the site were numerous examples of cuts where the flesh had been flensed from the bones, which indicates that H. antecessor may have practised cannibalism.
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