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The legion, in biological taxonomy, is a non-obligatory taxonomic rank within the Linnaean hierarchy which is subordinate to the class but superordinate to the cohort. It consists of a group of related orders and has been employed in some classifications of birds and mammals.
Legions may be grouped into superlegions or subdivided into sublegions, and these again into infralegions.[1]
See also
Notes
- ^ Full use is made of all of these (along with cohorts and supercohorts) in, for example, McKenna and Bell's classification of mammals
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