plural noun Phyl·lo·car·i·da

Definition of Phyllocarida

  1. :  a group of Malacostraca comprising forms with the head and thorax enclosed in a chitinous or calcareous bivalve carapace and including Nebaliidae and related extinct families


\-ədən\ adjective or noun

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Origin and Etymology of phyllocarida

New Latin, from phyll- + -carida (from Greek karid-, karis shrimp, prawn); perhaps akin to Greek kara head — more at cerebral

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