Mandibulata

plural noun

Man·​dib·​u·​la·​ta

manˌdibyəˈlätə,

-lātə

in some classifications

: a subphylum or superclass of Arthropoda comprising arthropods with mandibles on the second postoral somite and usually preoral true antennae and including the crustaceans, myriopods, insects, and a few related forms compare chelicerata , trilobita

Word History

Etymology

New Latin Mandibulata, from mandibul- + -ata

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