UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˈsuːpəˌklɑːs/US:USA pronunciation: respellingUSA pronunciation: respelling(so̅o̅pər klas′, -kläs′)

WordReference Random House Unabridged Dictionary of American English © 2020
su•per•class  (so̅o̅pər klas′, -kläs′),USA pronunciation n. [Biol.]
  1. Biologya category of related classes within a phylum or subphylum.
  2. Biologya subphylum.
  • super- + class 1890–95

Collins Concise English Dictionary © HarperCollins Publishers::
superclass /ˈsuːpəˌklɑːs/ n
  1. a taxonomic group that is a subdivision of a subphylum
'superclass' also found in these entries (note: many are not synonyms or translations):

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