Trogiomorpha
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Trogiomorpha is one of the three major
suborder Order () 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 recognized ...
s of barklice, booklice, and parasitic lice in the
order Order, ORDER or Orders may refer to: * A socio-political or established or existing order, e.g. World order, Ancien Regime, Pax Britannica * Categorization, the process in which ideas and objects are recognized, differentiated, and understood ...
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 Psoc ...
), alongside
Troctomorpha Troctomorpha is one of the three major suborders of Psocodea (formerly Psocoptera)(barklice, booklice, and parasitic lice), alongside Psocomorpha and Trogiomorpha. There are more than 30 families and 5,800 described species in Troctomorpha. ...
and
Psocomorpha Psocomorpha is a suborder of barklice, booklice, and parasitic lice in the order (biology), order Psocodea (formerly Psocoptera). There are more than 20 families and 5,300 described species in Psocomorpha. Phylogeny The below cladogram of Psoco ...
. There are about 8 families and more than 430 described species in Trogiomorpha. Trogiomorpha is widely agreed to be the earliest diverging of the three suborders, and retains the most primitive characteristics.


Internal phylogeny

The
cladogram A cladogram (from Greek language, Greek ''clados'' "branch" and ''gramma'' "character") is a diagram used in cladistics to show relations among organisms. A cladogram is not, however, an Phylogenetic tree, evolutionary tree because it does not s ...
below shows the position of Trogiomorpha within
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 ...
:


Classification

Trogiomorpha contains 3
infraorder Order () is one of the eight major hierarchical taxonomic ranks in Linnaean taxonomy. It is classified between Family_(biology), family and Class_(biology), class. In biological classification, the order is a taxonomic rank used in the classific ...
s and 5
extant Extant or Least-concern species, least concern is the opposite of the word extinct. It may refer to: * Extant hereditary titles * Extant literature, surviving literature, such as ''Beowulf'', the oldest extant manuscript written in English * Exta ...
(living)
families Family (from ) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictability, structure, and safety as ...
, as well as three identified
extinct Extinction is the termination of an organism by the death of its Endling, last member. A taxon may become Functional extinction, functionally extinct before the death of its last member if it loses the capacity to Reproduction, reproduce and ...
families: * Atropetae ** Archaeatropidae Baz & Ortuño, 2000 ** Empheriidae Baz & Ortuño, 2000 ** Lepidopsocidae Enderlein, 1903 (scaly-winged barklice) ** Psoquillidae Lienhard & Smithers, 2002 (bird nest barklice) ** Trogiidae Roesler, 1944 (granary booklice) * Psyllipsocetae ** Psyllipsocidae Lienhard & Smithers, 2002 (cave barklice) * Prionoglaridetae (
paraphyletic Paraphyly is a taxonomic term describing a grouping that consists of the grouping's last common ancestor and some but not all of its descendant lineages. The grouping is said to be paraphyletic ''with respect to'' the excluded subgroups. In co ...
) ** Prionoglarididae Azar, Huang & Nel, 2017 (large-winged psocids) *Unplaced: ** ** Cormopsocidae Yoshizawa & Lienhard, 2020 **


References


Further reading

* Psocoptera Insect suborders Psocodea {{psocoptera-stub