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infraclass

American  
[in-fruh-klas] / ˈɪn frəˌklæs /

noun

plural

infraclasses

  1. a group of related organisms within a subclass.

infraclass Scientific  
/ ĭn′frə-klăs′ /

  1. A taxonomic category of related organisms ranking below a subclass and containing one or more orders.

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.