infraclass

(redirected from infraclasses)
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Related to infraclasses: subclass Prototheria, Theria

in·fra·class

 (ĭn′frə-klăs′)
n.
A taxonomic category of related organisms ranking below a subclass and above an order or superorder.
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References in periodicals archive ?
Afterwards, the Fuzzy AHP, MADM method is applied to determine weights of inter-classes and infraclasses.
25,53,86) According to the Darwinian theory of evolution, it is highly probable that PEG10 and PEG11/RTL1 were once positively selected and thus presumably contributed to the establishment of the subclasses and infraclasses of the mammals, the therians and the eutherians, respectively.