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is a grouping of human beings historically regarded as a biological taxon, which, depending on which of the historical race classifications used, have usually included some or all of the ancient and modern populations of Europe, the Caucasus, Asia Minor, North Africa, the Horn of Africa, Western Asia, Central Asia and South Asia.In biological anthropology, Caucasoid has been used as an umbrella term for phenotypically similar groups from these different regions, with a focus on skeletal anatomy, and especially cranial morphology, over skin tone.

Later anthropologists of the 19th and early 20th century such as Pritchard, Pickering, Broca, Topinard, Morton, Peschel, Seligman, Bean, Ripley, Haddon and Dixon came to recognize other Caucasoid morphological features, such as prominent supraorbital ridges and a sharp nasal sill.Since the second half of the 20th century, physical anthropology has moved away from a typological understanding of human biological diversity towards a genomic and population-based perspective, and they have tended to understand race as a social classification of humans based on phenotype and ancestry as well as cultural factors, as the concept is also understood in the social sciences.However, "Caucasian" and "Caucasoid" as a biological classification remains in use in forensic anthropology where it is sometimes used as a way to identify the ancestry of human remains based on interpretations of osteological measurements.Among the proponents of the concept there was never any consensus on the delineation between the Caucasoid race, including the populations of Europe, and the Mongoloid race, including the populations of East Asia. Coon (1939) and Franco Bragagna (2013) included the populations native to all of Central and Northern Asia under the Caucasoid label.However, many scientists maintained the racial categorizations of color established by Meiners' and Blumenbach's works, along with many other early steps of anthropology, well into the late 19th and mid-to-late 20th centuries, increasingly used to justify political policies, such as segregation and immigration restrictions, and other opinions based in prejudice.

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