World's first right-hander could be this 550 million-year-old worm
Reported byPopular Science ↗·Sourced by Goodlede
An international research team examined over 100 well-preserved fossils of Spriggina floundersi, a 550-million-year-old worm-like animal, and found the majority showed asymmetrical bending patterns indicating right-side preference during life—the oldest known evidence of behavioral handedness in animals, published this week in Scientific Reports.
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