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Ancient Sea Creature Fossils Reveal Early Signs of Right-Handedness

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Recent research has unearthed fossils of Spriggina floundersi, a wormlike creature from the Ediacaran Period, which lived approximately 550 million years ago. This study, the most comprehensive to date, indicates that these ancient animals exhibited a preference for bending to the right, a behavior linked to right-handedness seen in modern species. The findings suggest that Spriggina had a nervous system capable of directional movement, marking a significant evolutionary milestone. The research highlights the importance of these fossils in understanding the origins of handedness in animals, including humans. The study was published in the journal Scientific Reports, providing new insights into early animal life and behavior.

Key Details: • Spriggina floundersi lived around 550 million years ago during the Ediacaran Period. • The study analyzed over 100 fossils to determine directional movement preferences. • Most fossils showed a leftward bend, indicating a rightward movement preference. • Research published in the journal Scientific Reports. • Findings suggest significant evolutionary traits present in early animal communities.

evolution fossils paleontology ancient-life scientific-research

People & Organizations

American Museum of Natural HistoryScott EvansDiego García-BellidoAdelaide University

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