The major subdivision of a genus or subgenus
[DOC] [TLE] 8 levels of classification Flashcards | Quizlet [PAR] the usual major subdivision of a phylum or division in the classification of 
organisms, ... the major subdivision of a genus or subgenus, regarded as the 
basic... [DOC] [TLE] Taxonomic rank - Wikipedia [PAR] In biological classification, rank is the relative level of a group of organisms (a 
taxon) in a taxonomic hierarchy.