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ROOT (OVERVIEW) > EUKARYOTA > Opisthokonta > METAZOA > Eumetazoa >

Bilateria (Ch. 27)

• Platyhelminthes (27-III)
  • Cestoda - Tapeworms
  • Trematoda - Flukes
  • Turbellaria - Planarians
• Gnathostomulida (27-IV)
• Protostomia (Ch. 28) >>>
  • Lophotrochozoa
    • Acanthocephala - Thorny-Headed Worms
    • Brachiopoda - Lampshells
    • Bryozoa - Bryozoans
    • Cycliophora - Symbion pandora
    • Entoprocta - Entoprocts
    • Gastrotricha - Gastrotrichs
    • Myzostomida - ?
    • Nemertea - Ribbon Worms
    • Rotifera - Rotifers
    • Micrognathozoa
    • Annelida - Segmented Worms
    • Mollusca - Molluscs
  • Ecdysozoa
    • Nematoda - Roundworms
    • Nematomorpha - Horsehair Worms
    • Scalidophora
      • Kinorhyncha - Spiny-Headed Worms
      • Loricifera* - Loriciferans
      • Priapulida - Priapulid Worms
    • Panarthropoda
      • Tardigrada - Tardigrades (Water Bears)
      • Onychophora - Velvet Worms
      • Arthropoda (Ch. 29) >>> (Arthropods)
        • Chelicerata
        • Mandibulata
          • Myriapoda
          • Pancrustacea
            • Crustacea
            • Hexapoda
              • Elliplura
              • Diplura
              • Insecta (Ch. 30) >>> (Insects)
• Deuterostomia (Ch. 31) >>>