Psocodea
English: Bark lice, Book lice, True lice.
Genera: 11000 species; 3 suborders.
Taxonomy
Psocodea was formerly considered a superorder, but is now generally considered by entomologists as an order. Despite the greatly differing appearance of lice, they are believed to have evolved from within the former order Psocoptera, which contained the bark lice and book lice.