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class (biology)

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Class (biology)


In biological classification, a subdivision of phylum and forms a group of related orders. For example, all mammals belong to the class Mammalia and all birds to the class Aves. Among plants, all class names end in ‘idae’ (such as Asteridae) and among fungi in ‘mycetes’; there are no equivalent conventions among animals. Related classes are grouped together in a phylum.

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