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superclass

[soo-per-klas, -klahs]
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noun Biology.
  1. a category of related classes within a phylum or subphylum.
  2. a subphylum.
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Origin of superclass

First recorded in 1890–95; super- + class
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for superclass

superclass

noun
  1. a taxonomic group that is a subdivision of a subphylum
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
superclass in Medicine

superclass

(sōō′pər-klăs′)
n.
  1. A taxonomic category ranking below a phylum and above a class.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
superclass in Science

superclass

[sōō′pər-klăs′]
  1. A taxonomic category of related organisms ranking below a phylum and containing one or more classes.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.