It's actually MOLLUSKS.
earthworms fall into the category of "invertebrates.
aracinaids
Oligochaeta
The arthropod group
Animalia
INVERTEBRATES!!
They are qualified as invertebrates and belong to the group of arthropods or crustaceans
All worms are invertebrates.
Kingdom: AnimaliaPhylum: PlatyhelminthesClass: Turbellariaorder: SeriataFamily: PlanariidaeGenus: PlanariaSpecies: maculata
No. Mammals belong to the vertebrates group and echinoderms are invertebrates, and have exoskeletons instead.
Worms make up the largest group of complex invertebrates.
Class Gastropoda.