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superphylum

[soo-per-fahy-luh m]
noun, plural su·per·phy·la [soo-per-fahy-luh] /ˈsu pərˌfaɪ lə/. Biology.
  1. a category of related phyla within a kingdom.
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Origin of superphylum

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018