AUTHOR=de Girolamo Paolo , Bellier Jean-Pierre , D'Angelo Livia TITLE=Editorial: Brain Evolution: Clues From Aquatic Organisms JOURNAL=Frontiers in Neuroanatomy VOLUME=15 YEAR=2021 URL=https://www.frontiersin.org/journals/neuroanatomy/articles/10.3389/fnana.2021.683489 DOI=10.3389/fnana.2021.683489 ISSN=1662-5129