I'm pretty sure that's a snail. There are two different types that I know of, and that's land and water. Pretty simple. :)
Mollusks
They would be Mollusks, (phylum Mollusca), a soft-bodied invertebrate with an unsegmented body, one muscular foot for mobility, a visceral hump, and a mantle. Most have shells, but in the case of the slug, which it has no shell. I hope that answered your question. :)
Protozoans protozoans is not one of the picks.these are the picks:bacteria,land plants,aquatic dinosaurs or invertebrate sea animals.
Insects is the only group that contains animals that are vectors
birds
Oysters belong the the invertebrate group of mollusk.
the most complex group of invertebrate is cnidarians
invertebrate's are animals with no back bone like slugs and etc.
Insects are the largest and most common invertebrate group.
Centipedes are arthropods, belonging to the class Chilopoda. They are among the largest terrestrial invertebrate predators.
They are in the mollusks group.
the posaidon group
invertebrate