Cephalopoda Clades: Mollusca; Spiralia; Animals. Introduction Cephalopoda is a Class in Mullusca. rom Related postsGnaphalium polycephalumMarch 10, 2019Helianthemum nummulariumMarch 10, 2019Feretia apodantheraMarch 9, 2020 Previous postBivalviaeNext postAsteroidea