Caeciliusetae is an infraorder of Psocodea in the suborder Psocomorpha. There are about 6 families and more than 1,300 described species in Caeciliusetae.

Psocomorpha is a suborder of barklice in the order Psocodea. There are more than 20 families and 5,300 described species in Psocomorpha.