“Arthropods (Arthropoda phylum)”  

Arthropoda

  In nature, Arthropods (Arthropoda) are members of the invertebrate phylum Arthropoda in the animal kingdom, composed of organisms having a hard, jointed exoskeleton and paired jointed legs.
  The Arthropoda phylum of arthropods include:

Chelicerata subphylum Arachnida (arachnids) Merostomata (horseshoe crabs) Pycnogonida (sea spiders)

Mandibulata clade Myriapoda Pancrustacea

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“Chelicerata”  

  In nature, Chelicerata is a subphylum Arthropod members of invertebrates in the animal kingdom.
  The Chelicerata subphylum includes:

• Arachnida (arachnids)
• Merostomata (horseshoe crabs)
• Pycnogonida (sea spiders)

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“Mandibulata clade (mandibulates)”  

Mandibulata

  In nature, Mandibulata are Arthropod members, called mandibulates, of invertebrates in the animal kingdom.
  The Mandibulata clade of mandibulates includes:

• Myriapoda
• Pancrustacea
  • Crustacea (crustaceans)
  • Hexapoda (insects)

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“Insecta class (true insects)”  

True Insects (Insecta)

  In nature, Insecta is a class of insects (called true insects), in the Hexapoda subphylum, in the unranked Pancrustacea group of Arthropoda phylum within the animal kingdom.
  Examples of true insects members include:

• Dicondylia
  • Pterygota subclass (winged insects)
  • Zygentoma
• Monocondylia
  • Archaeognatha (jumping bristletails)
• unclassified Insecta
• environmental samples

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