439-Million-Year-Old Fossil Teeth Overturn Long-Held Views About Evolution - SciTechDaily
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Technology |
SciTechDaily |
10-23-2022 |
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Volumetric reconstruction of a tooth whorl viewed from its lingual side (holotype of Qianodus duplicis). The specimen is just over 2 mm in length. Credit: Zhu, et al.
Rare Chinese fossil teeth have â