Despite of differences in many functions, why are octopus and pila kept in same phylum (3 similarities and - Biology - Animal Kingdom

Question

Despite of differences in many functions, why are octopus and
pila kept in same phylum?? (3 similarities and 2 dissimilarities)
Experts, plz help me also if any student knows dis

Riffat Jahan · Accepted Answer

Octopus and Pila have many features similar as compared
to dissimilar features, so they are grouped under same phylum-
Mollusca
Body of both the animals is covered by calcareous shell Both
have unsegmented body with a distinct head, muscular foot and and a
visceral hump In both, locomotion is brought by muscular foot
Both have open circulatory system and kidney like organs for
excretion

Despite of differences in many functions, why are octopus and pila kept in same phylum?? (3 similarities and 2 dissimilarities). Experts, plz help me... also if any student knows dis...