Phenotypes of the British Isles

Origins:

The Norid phenotype, often described as a Dinaricized Nordic type, is believed to have formed in Central Europe during the Bell Beaker period. It arose when R1b-bearing Indo-European steppe populations, carrying an admixed Yamnaya-derived morphology, migrated into Central Europe and intermingled with local Corded Ware populations. In the lower Rhine and surrounding regions, this mixture interacted with local Borreby elements, producing a tall, robust, and sharply featured type that moved into northern France, the Low Countries, and the British Isles. This population would eventually contribute to the formation of the Paleo Atlantid, Brünn, Keltic Nordid, North Atlantid, and Cymrid phenotypes, among others.

British Bell Beaker reconstruction

Upon migrating to the British Isles, this Bell Beaker population, known as the Bell Beaker Borreby, would overturn over 90% of the autosomal DNA and Y-Haplogroups of the initial EEF peoples. However, in the western regions of the two islands, the original population had a greater genetic influence on the newcomers. The result of this mixture, characterized by strong cranial features, wide faces, and deep-set eyes, is still visibly represented in parts of western Ireland, western Scotland, and Wales, where relative geographic isolation helped preserve this ancient substrate to the present. 

The Paleo Atlantid phenotype

A related branch of the Bell Beaker migratory movement pushed westward through central and southern France, where it absorbed more Early European Farmer (EEF) and Western Hunter-Gatherer (WHG) genetic input. Over time, in the isolated valleys and rugged terrain of the western Pyrenees, this lineage gave rise to the Baskid phenotype. Characterized by high foreheads, prominent noses, and strong facial bones, this type became relatively stable and endogamous in the Basque region, where ancient pre-Indo-European genetic and linguistic traits have persisted into the present.

Following the Bell Beaker phenomenon, a second wave of migrations from Central Europe introduced populations with more Dinariform traits, characterized by taller stature, narrower faces, and prominent nose bridges. This new element mixed with the existing Cro-Magnid populations in the British Isles and the Netherlands, resulting in various genetic and phenotypic clines. This admixture gave rise to the Keltic Nordid phenotype—a tall, mesocephalic type with harmonious features that became dominant in much of England and the Netherlands. Meanwhile, a more Cro-Magnid-influenced variety arose in Scotland and Eastern Ireland as more residual elements reached these regions. The more isolated western regions of Ireland retained the greatest degree of original Cro-Magnid morphology, known as the Paleo Atlantid phenotype.

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