Accepted proof of: Agnese Lanzetti, Natasha Chrouch, Roberto Portela Miguez, Vincent Fernandez, Anjali Goswami, Developing echolocation: distinctive patterns in the ontogeny of the tympanoperiotic complex in baleen and toothed whales (Cetacea), Biological Journal of the Linnean Society, Volume 135, Issue 2, February 2022, Pages 394–406, https://doi.org/10.1093/biolinnean/blab160