In zoological nomenclature, a subphylum is a taxonomic rank below the rank of phylum. The taxonomic rank of "subdivision" in fungi and plant taxonomy is equivalent to "subphylum" in zoological taxonomy. Taxonomic rank Subphylum is:
subordinate to the phylum superordinate to the infraphylum.
Where convenient, subphyla in turn may be divided into infraphyla; in turn such an infraphylum also would be superordinate to any classes or superclasses in the hierarchy. Examples Not all fauna phyla are divided into subphyla. Those that are include:
Arthropoda: divided into subphyla Trilobitomorpha, Chelicerata,
Examples of infraphyla include the
v t e
Domain/Superkingdom Kingdom Subkingdom Infrakingdom/Branch
Superphylum/Superdivision Phylum/Division Subphylum Infraphylum Microphylum
Superclass Class Subclass Infraclass Parvclass
Magnorder Superorder Order Suborder Infraorder Parvorder
Section (zoo.) Superfamily Family Subfamily
Supertribe Tribe Subtribe
Genus Subgenus Section (bot.) Series (bot.)
Species Subspecies Variety Form
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