The invertebrates

The animals that have no spine are invertebrates.

Insects - They have 6 paws.

Arachnids - They have 8 paws.

Crustaceans - They have several paws and often have claws.

Centipedes - They have many paws: they can reach a hundred!

Shellfish- They have a soft body, with or without shell.

Worms - They have a soft, cylindrical or flat body.