Distinct species

Fish brains from 290 million years ago found in Brazil

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Recent discoveries in Brazil have significantly advanced our understanding of the evolutionary history of ray-finned fish brains. Research led by Rodrigo Tinoco Figueroa, a doctoral student at the University of Michigan, has unearthed remarkably well-preserved brains in late Paleozoic ray-finned fishes. These findings, which include other rare soft tissues like fragments of the heart, eyes, … Read more

Study links slow evolution in gars to their status as living fossils

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In 1859, Charles Darwin introduced the term “living fossils” to describe organisms exhibiting minimal species diversity or physical deviations from their ancestors as seen in the fossil record. A groundbreaking study from Yale researchers, published in the journal Evolution, has shed light on the biological mechanisms underlying the existence of living fossils in nature. Focusing … Read more