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Caeciliusetae is an 
infraorder
Order ( la, ordo) is one of the eight major hierarchical taxonomic ranks in Linnaean taxonomy. It is classified between family and class. In biological classification, the order is a taxonomic rank used in the classification of organisms and ...
of Psocodea
Psocodea is a taxonomic group of insects comprising the bark lice, book lice and parasitic lice. It was formerly considered a superorder, but is now generally considered by entomologists as an order. Despite the greatly differing appearance of ...
(formerly Psocoptera
Psocoptera are a paraphyletic group of insects that are commonly known as booklice, barklice or barkflies. The name Psocoptera has been replaced with Psocodea in recent literature, with the inclusion of the former order Phthiraptera into Psoco ...
) in the suborder Psocomorpha
Psocomorpha is a suborder of barklice, booklice, and parasitic lice in the order Psocodea (formerly Psocoptera). There are more than 20 families and 5,300 described species in Psocomorpha.
Phylogeny
The below cladogram of Psocodea shows the pos ...
. There are about 6 families and more than 1,300 described species in Caeciliusetae.
Families
These six families belong to the infraorder Caeciliusetae: * Amphipsocidae Pearman, 1936 (hairy-winged barklice) * Asiopsocidae Mockford & Garcia Aldrete, 1976 *Caeciliusidae
Caeciliusidae is a family of Psocodea (formerly Psocoptera) belonging to the suborder Psocomorpha. The family was once named Caeciliidae, but the latter name was changed because of homonymy with the amphibian family Caeciliidae. The subfamily Pa ...
Mockford, 2000 (lizard barklice)
* Dasydemellidae Mockford, 1978 (shaggy psocids)
* Paracaeciliidae Mockford, 1989
* Stenopsocidae Pearman, 1936 (narrow barklice)
References
* Lienhard, C. & Smithers, C. N. 2002. Psocoptera (Insecta): World Catalogue and Bibliography. Instrumenta Biodiversitatis, vol. 5. Muséum d'histoire naturelle, Genève. Insect infraorders {{Psocoptera-stub