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class

taxonomic rank in biology

AI overview

In biology, class is a major grouping used to organize and classify living organisms, sitting between the larger category of phylum and the smaller category of order. It matters because it helps scientists and students understand the relationships between different types of organisms and makes the vast diversity of life easier to study and comprehend.

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The hierarchy of biological classification's eight major taxonomic ranks. Intermediate minor rankings are not shown.

In biological taxonomy, class (Latin: classis) is a taxonomic rank, as well as a taxonomic unit (i.e., a taxon) in that rank. It is a group of related taxonomic orders. Other well-known ranks in descending order of size are domain, kingdom, phylum, order, family, genus, and species, with class ranking between phylum and order.