Cladogram of Order Psocodea (Hexapoda: Insecta), down to Family level.
Echinophthiriidae
Linognathidae
Hoplopleuridae*
Polyplacidae* (spiny rat lice)
Haematopinidae (ungulate lice)
Pediculidae
Pthiridae
Pedicinidae
Haematomyzidae
Trichodectidae
Philopteridae
Ricinidae
Laemobothriidae
Boopiidae
Menoponidae
Liposcelididae
Pachytroctidae
Sphaeropsocidae
Amphientomidae (tropical barklice)
Compsocidae
Manicapsocidae
Musapsocidae
Protroctopsocidae
Troctopsocidae
Ectopsocidae (outer barklice)
Elipsocidae (damp barklice)
Lachesillidae (fateful barklice)
Lesneiidae
Mesopsocidae (middle barklice)
Peripsocidae (stout barklice)
Sabulopsocidae
Amphipsocidae (hairy-winged barklice)
Asiopsocidae
Caeciliusidae (lizard barklice)
Dasydemellidae (shaggy psocids)
Paracaeciliidae
Stenopsocidae (narrow barklice)
Hemipsocidae (leaf litter barklice)
Myopsocidae (mouse-like barklice)
Psilopsocidae
Psocidae (common barklice)
Cladiopsocidae
Dolabellopsocidae
Epipsocidae (elliptical barklice)
Ptiloneuridae
Spurostigmatidae
Philotarsidae (loving barklice)
Pseudocaeciliidae (false lizard barklice)
Trichopsocidae (lash-faced psocids)
Archipsocidae (ancient barklice)
Lepidopsocidae (scaly-winged barklice)
Psoquillidae (bird nest barklice)
Trogiidae (granary booklice)
Psyllipsocidae (cave booklice)
Prionoglarididae* (large-winged psocids)