It's an Arthropod.
Chilopoda and Diplopoda are placed with insects in the same subphylum. They are placed here because they have the same common ancestor. In addition, they have jointed limbs, antennae and exoskeletons, which is similar to insects.
Insecta is merely 1 class under the phylum arthropoda. The other classes are crustacea, arachnid, chilopoda, and diplopoda. Chilopoda and Diplopoda fit beneath the subphylum myriapoda.
Millipede belong to class Diplopoda of phyllum Arthropoda .
A millipede belongs to the class Diplopoda in the animal kingdom.
Common species have between 36 and 400 legs - though one species has up to 750 !
It's an Arthropod.
Diplopoda
Diplopoda.
Under phylum Arthropoda are several subphyla including subphylum Hexapoda which contains class Insecta (the insects); and Myriapoda which contains class Chilipoda (the centipedes) and class Diplopoda (the millipedes).
Class: Diplopoda.
An example of a class diplopoda is a millipede. Diplopoda means having two pair of legs.
The scientific name for millipede is Diplopoda.