They all have tentacles with suckers located on the bottom, a beak.
Perhaps Mollusca.
There in the phylum Mollusca
There are about 2,000 varieties of 'common clams'! However, they all belong to the mollusca phylum and the bivalviaclass.
The phylum for oysters is Mollusca.
The phylum of a squid is Mollusca.
There are many animals that are not in the Mollusca phylum. Birds, starfish, butterflies, jellyfish, and worms are not part of the Mollusca phylum.
Mollusca.
They are mollusks part of the mollusca group.
Phylum Mollusca
Mollusca is a phylum, not a subphylum.
The octopus belongs to the phylum, Mollusca. It shares this phylum with its brethren squid and mollusks. It is a cephalopod, the octopus; therefore, Cephalopoda would be its class. Hope this helps.
Snails are of the phylum Mollusca.