infraorder

noun
in·​fra·​or·​der | \ ˈin-frə-ˌȯr-dər How to pronounce infraorder (audio) \

Definition of infraorder

: a taxonomic category in biological classification ranking above a superfamily and below a suborder

First Known Use of infraorder

1945, in the meaning defined above

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The first known use of infraorder was in 1945

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