Infraclass definition

ĭnfrə-klăs
A taxonomic category of related organisms ranking below a subclass and above an order or superorder.
noun
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A taxonomic category of related organisms ranking below a subclass and containing one or more orders.
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(taxonomy) A zoological classification sometimes inserted below subclass and above superorder.
noun
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Other Word Forms

Noun

Singular:
infraclass
Plural:
infraclasses