ordo
Plecoptera Burm. 
A) subordo Subulipalpia 
(= gen. Perla Burm.)
I. fam. Dictyopterygidae Klp. 
Dictyopteryx=
Perlodes
II. fam. Perlidae Klp.
B) subordo Filipalpia
(= gen. Semblis Burm.)
III. fam. Capnidae Pict.
IV. fam. Taeniopterygidae Klp.
V. fam. Nemuridae Klp.
VI. fam. Leuctridae Klp.