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Study Reveals Teeth Evolved from Ancient Fish Armor

5/27/2025

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Summary

Story summary

A groundbreaking study uncovers that dentine, the sensitive tissue in our teeth, traces its origins back over 460 million years to ancient armored fish. These fish utilized mineralized tissue to sense their environment, suggesting teeth evolved as protective sensory armor. Additionally, the research clarifies misconceptions about the fossil Anatolepis, previously misidentified as a vertebrate.

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Story summary

A groundbreaking study uncovers that dentine, the sensitive tissue in our teeth, traces its origins back over 460 million years to ancient armored fish. These fish utilized mineralized tissue to sense their environment, suggesting teeth evolved as protective sensory armor. Additionally, the research clarifies misconceptions about the fossil Anatolepis, previously misidentified as a vertebrate.