infraorder
noun
in·fra·or·der
ˈin-frə-ˌȯr-dər 
: a taxonomic category in biological classification ranking above a superfamily and below a suborder
Examples of infraorder in a Sentence
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Other crustaceans in the same arthropod order (Decapoda) but belonging to the infraorder Anomura, such as hermit crabs, king crabs, and porcelain crabs, generally move forward or backward.
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Manjishtha Bhattacharyya, Encyclopedia Britannica, 20 Mar. 2026
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Manjishtha Bhattacharyya, Encyclopedia Britannica, 20 Mar. 2026
Cite this Entry
“Infraorder.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/infraorder. Accessed 5 Apr. 2026.
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