What are some non examples of millipedes?

Birds are not millipedes. Fish are not millipedes. Donkeys are not millipedes. Humans are not millipedes. Trees are not millipedes. Cars are not millipedes. Cities are not millipedes. Ideas are not millipedes.

Is that enough non examples of millipedes? If not, how about this? Millipedes are examples of millipedes. Everything else (i.e., anything that is not a millipede) is a non-example of a millipede.