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• Phylum Pogonophora
• Phylum Sipuncula
• Phylum Echiura
• Phylum Onychophora
• Phlylum Arthropoda
  • Subphylum Trilobitomorpha
  • Subphylum Chelicerata
    • Class Merostomata
    • Subclass Xiphosura
    • Subclass Eutypterida

  • Class Archnida
    • Order Scorpiones
    • Order Palpigradi
    • Order Uropygi
    • Order Schizomida
    • Order Amblypygi
    • Order Araneae
      • Suborder Orthognatha (Avicularioidea)
        • Family Ctenizidae
        • Family Theraphosidae (Aviculariidae)
        • Family Antrodiaetidae
        • Family Mecicobothriidae
        • Family Dipluidae
        • Family Atypidae

      • Suborder Labidognatha
        • Section Cribellatae
          • Family Hypochilidae
          • Family Hypochilidae
          • Family Filistatidae
          • Family Zoropsidae
          • Family Amaurobiidae
          • Family Dinopidae
          • Family Uloboridae
          • Family Uloboridae
          • Family Dictynidae

        • Section Ecribellatae
          • Family Dysderidae
          • Family Caponiidae
          • Family Segestriidae
          • Family Oonopidae
          • Family Seytodidae
          • Family Diguetidae
          • Family Plectreuridae
          • Family Loxoscelidae
          • Family Leptonetidae
          • Family Prodidomidae
          • Family Gnaphosidae
          • Family Zodariidae
          • Family Homalonychidae
          • Family Hersiliidae
          • Family Pholcidae
          • Family Theridiidae
          • Family Linyphiidae
          • Family Erigonidae
          • Family Mimetidae
          • Family Araneidae
          • Family Theridiosomatidae
          • Family Tetragnathidae
          • Family Thomisidae
          • Family Selenopidae
          • Family Heteropididae
          • Family Ctenidae
          • Family Clubionidae
          • Family Anyphaenidae
          • Family Agelenidae
          • Family Hahniidae
          • Family Pisauridae
          • Family Lycosidae
          • Family Oxyopidae
          • Family Lyssomanidae
          • Family Salticidae

      • Order Ricinulei
      • Order Opiliones
      • Order Cyphophthalmi
      • Order Acarina
      • Order Opiliones
      • Order Acarina
      • Order Pseudoscorpiones
      • Order Solifugae

    • Class Pycnogonida

  • Subphylum Crustacea
    • Class Cephalocarida
    • Class Branchiopoda
      • Order Notostraca
      • Order Conchostraca
      • Order Cladocera
      • Order Anostraca

    • Class Remipedia
    • Class Maxillopoda
      • Subclass Mystacocarida
      • Subclass Branchiura
      • Subclass Copepoda
        • Order Calanoida
        • Order Harpacticoida
        • Order Cyclopoida
        • Order Poecilostomatoida
        • Order Siphonostomatoida
        • Order Monstrilloida
        • Order Misophryoida
        • Order Mormonilloida

      • Subclass Cirripedia
        • Order Ascothoracica
        • Order Acrothoracica
        • Order Thoracica
        • Order Rhizocephala

    • Class Ostracoda
      • Subclass Myodocopa
        • Order Myodocopida
        • Order Halocyprida

      • Subclass Podocopa
        • Order Platycopida
        • Order Podocopida

      • Subclass Palaeocopa

    • Class Malacostraca
      • Subclass Phyllocarida
      • Subclass Hoplocarida
        • Order Stomatopoda

      • Subclass Eumalacostraca
        • Superorder Syncarida
          • Order Anaspidacea
          • Order Bathynellacea

        • Superorder Pancarida
          • Order Thermosbaenacea

        • Superorder Peracarida
          • Order Mysidacea
          • Order Cumacea
          • Order Amphipoda
          • Order Isopoda
          • Order Tanaidacea

        • Superorder Eucarida
          • Order Euphausiacea
          • Order Decapoda

           

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Original content copyright 1995-2007 Robert B. Hole, Jr. All Rights Reserved