URL：https://www.researchgate.net/profile/M-Aguirre-Urreta/publication/288994682/figure/fig4/AS:938633708175361@1600799123289/Figura-15-4-A-Aspecto-de-un-pulpo-actual-B-Corte-longitudinal-esquematico-de-un_Q640.jpg
掲載元：https://www.researchgate.net/figure/Figura-15-2-A-Aspecto-de-un-calamar-actual-B-Partes-internas-de-un-calamar-actual_fig2_288994682
