Ediacaran Biota & Early Animal Evolution
Ediacaran Biota & Early Animal Evolution
Articles on Ediacaran fossils, bilaterian origins, lateralized behavior, and the emergence of nervous system asymmetry over 500 million years ago.
ediacaran biota early animal evolutionJul 15, 20265 min
Earliest Evidence of Right-Handedness in 550-Million-Year-Old Spriggina Fossils
New analysis of over 100 exceptionally preserved Spriggina floundersi fossils from the Ediacaran Nilpena site demonstrates population-wide right-bending preference—earliest known evidence of behavioral handedness and lateralized nervous systems in bilaterian animals.