superorder

noun
su·per·or·der | \ˈsü-pər-ˌȯr-dər \

Definition of superorder 

: a category of biological classification ranking below a class and above an order

First Known Use of superorder

circa 1890, in the meaning defined above

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The first known use of superorder was circa 1890

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superorder

noun
su·per·or·der | \ˈsü-pər-ˌȯrd-ər \

Medical Definition of superorder 

: a category of taxonomic classification between an order and a class or a subclass

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lying above or upon

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