Systematic position of Archaeopteryx challenged?

Archaeopteryx has been considered the most primitive and earliest known bird ever since its discovery, and has been placed at the base of Avialae in nearly all numerical phylogenetic analyses. In 2011, a parsimony-based phylogenetic ...

New paleolithic site found in Tianjin, China

A joint team of the Institute of Vertebrate Paleontology and Paleoanthropology (IVPP), Chinese Academy of Sciences, and the Preservation Center of Cultural Heritage in Tianjin found a new paleolithic site at the Sungezhuang ...

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