Fossil discovery sheds light on the early evolution of animal nervous systems
Tubular incomplete specimens of Eopriapulites sphinx from the early Cambrian Kuanchuanpu Formation, showing their ventral nerve cord. Credit: Science Advances (2025). DOI: 10.1126/sciadv.adr0896 An international team of scientists has uncovered a fascinating piece of the evolutionary puzzle: how the ventral nerve cord, a key component of the central nervous system, evolved in ecdysozoan animals, a