Hirota, K., Sasaki, T., Yoshimura, T., Onodera, S., Hirano, H., Toyama, T., Yoshida, M., Setiamarga, D. H. E. (2026). Microstructural insights into the functional morphology and formation logic of spherulitic–fibrous prismatic architecture in the shell–like eggcase of the argonaut octopods. Scientific Reports. https://doi.org/10.1038/s41598-026-45670-3