''Catoscopium'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

of haplolepidous

moss Mosses are small, non-vascular plant, non-vascular flowerless plants in the taxonomic phylum, division Bryophyta (, ) ''sensu stricto''. Bryophyta (''sensu lato'', Wilhelm Philippe Schimper, Schimp. 1879) may also refer to the parent group bryo ...

es (

Dicranidae The Dicranidae are a widespread and diverse subclass of mosses in class Bryopsida, with many species of dry or disturbed areas. They are distinguished by their spores; the peristome teeth are haplolepideous with a 4:2:3 formula, and an exostome ...

) in the monotypic

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Catoscopiaceae and order Catoscopiales. It contains only a single species, ''Catoscopium nigritum''.

Taxonomy

The family Catoscopiaceae has traditionally been considered part order

Bryales Bryales is an order of mosses. Taxonomy The order Bryales includes the following five families: * Bryaceae * Leptostomataceae * Mniaceae * Phyllodrepaniaceae * Pulchrinodaceae The order used to be defined broadly to include the ...

. However, phylogenetic analyses have found ''Catoscopium'' to be the earliest branching group in

, as part of a grade of protohaplolepidous lineages. Catoscopiaceae is placed in the monotypic

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 ...

Catoscopiales.

References

Moss genera Dicranidae {{Bryopsida-stub