Definition of infraorder in English:

infraorder

Syllabification: in·fra·or·der
Pronunciation: /ˈinfrəˌôrdər
 
/

noun

Biology
A taxonomic category that ranks below a suborder.
More example sentences
  • Glaessner employed the classification scheme of Moore and McConnick that included 66 families of fossil and extant decapods arrayed in 18 superfamilies, 8 infraorders, and 2 suborders.
  • A large clade composed of taxa from the infraorders Anomura, Thalassinidea, and Brachyura is defined at node 54.
  • Our analysis places them as a basal clade in the infraorder based on a cervical groove that does not cross the midline of the carapace and the loss of the fractosternate condition.

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