Noun chelicerata has 1 sense
  1. Chelicerata, superclass Chelicerata - spiders; scorpions; horseshoe crabs
    --1 is a kind of class
    --1 is a member of Arthropoda, phylum Arthropoda
    --1 has members:
     Arachnida, class Arachnida; Pycnogonida, order Pycnogonida; Merostomata, class Merostomata
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