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Four-eyed Cambrian fish fossils hint at origins of vertebrate pineal complex
- January 22, 2026 at 4:30 PM
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New fossil evidence from China suggests that some of our vertebrate ancestors had four eyes. The study, published in Nature, takes a closer look at a structure found in multiple 518 million-year-old fossils, which appears to have the same features of other fossilized eyes, and may be linked to the pineal complex in modern vertebrates.
Originally published at Phys.org