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Earliest known octopus is not an octopus after all

Researchers at the University of Reading used synchrotron imaging to reclassify the 300-million-year-old fossil Pohlsepia mazonensis as a nautiloid rather than an octopus. This discovery indicates that octopuses likely appeared during the Jurassic period, much later than previously thought.

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First seen
Apr 8, 2026, 1:20 PM
Last updated
Apr 8, 2026, 8:02 PM

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Earliest known octopus is not an octopus after all is currently shaped by signals from 1 source platforms. This page organizes AI analysis summaries, 1 timeline events, and 2 relationship edges so search engines and AI systems can understand the topic's factual basis and propagation arc.

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paleontologyfossil reclassificationoctopus evolutionnautiloidMazon Creeksynchrotron imagingJurassic period

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Earliest known octopus is not an octopus after all

Apr 8, 2026, 1:20 PM

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