arthropoda definition

  • noun-plural:
    • A large unit of Articulata, adopting dozens of having jointed feet. It includes Insects, Arachnida, Pychnogonida, and Crustacea.
  • others:
    • One of two prime divisions (Anarthropoda becoming the other) into which a subkingdom Annulosa has-been divided.
    • much more modern and precise use, one of many phyla, subkingdoms, or main kinds of the Metazoa, containing the articulated, invertebrate, non-ciliated creatures with articulated limbs, a ganglionic nervous system, oviparous reproduction, and usually split sexes.
  • noun:
    • jointed-foot invertebrates: arachnids; crustaceans; insects; millipedes; centipedes

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