Prehistoric artifacts used in jewelry, such as beads made from shells, amber and ivory, have shed light on the cultural groups that were present in Europe tens of thousands of years ago
Marine shells, teeth, beads and other trinkets used for personal adornment by various cultures in Europe between 34,000 and 24,000 years ago.
"Evidence from Personal Ornaments Suggest Nine Distinct Cultural Groups between 34,000 and 24,000 Years Ago in Europe," by Jack Baker et al., in Nature Human Behavior; Published online January 29, 2024
https://www.scientificamerican.com/article/ancient-jewelry-shows-ice-age-europe-had-9-distinct-cultures/