infraclass

noun

in·fra·class ˈin-frə-ˌklas $How to pronounce infraclass (audio)$

: a subdivision of a subclass that is closely equivalent to a superorder

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“Infraclass.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/infraclass. Accessed 4 Nov. 2025.

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