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A Checklist of the Invertebrates

BiologyBase Checklist Index Invertebrate Checklist title page

Part 2: Metazoa 1

Placozoa through Loricifera

Phylum index for this page: Please support this site! Check out Ecology Designs for gifts and books.  
(Metazoa Part1)    
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  • Phylum Porifera (Sponges)
    • Class Calcarea
      • Subclass Calcinia
      • Subclass Calcaronia
      • Subclass Pharetronidia
    • Class Hexactinellida
      • Subclass Amphdiscophora
      • Subclass Hexasterophora
    • Class Demospongiae
      • Subclass Homoscleromopha
      • Subclass Tetractinomorpha
      • Subclass Ceractinomorpha
    • Class Sclerospongiae
    
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(Radiata)

  • Phylum Cnidaria
    • Class Hydrozoa
      • Order Hydroida
      • Order Milleporina
      • Order Stylasterina
      • Order Trachylina
      • Order Actinulida
      • Order Siphonophora
      • Order Chondrophora
    • Class Cubozoa
    • Class Scyphozoa
      • Order Stauromedusae
      • Order Semaeostomeae
      • Order Rhixostomeae
    • Class Anthozoa
      • Subclass Alcyonaria
        • Order Protoalcyonaria
        • Order Stolonifera
        • Order Telestacea
        • Order Helioporacea
        • Order Alcyonacea
        • Order Gorgonacea
        • Order Pennatulacea
      • Subclass Zoantharia
        • Order Zoanthinaria
        • Order Actiniaria
        • Order Scleractinia
        • Order Ceriantipatharia
        • Order Corallimorpharia
  
 		  
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  • Phylum Ctenophora
    • Order Cydippida
    • Order Lobata
    • Order Cestida
    • Order Platyctenida
    • Order Beroida
    
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(Acoelomata)

  • Phylum Platyhelminthes
    • Class Turbellaria
      • (Archeophoran Level)
        • Order Acoela
        • Order Catenulida
        • Order Macrostomida
        • Order Polycladida
      • (Neoophoran Level)
        • Order Prolecithophora
        • Order Lecithoepitheliata
        • Order Neoghabdocoela
        • Order Preseriata
        • Order Tricladida
    • Class Trematoda
      • Subclass Aspidogastrea
      • Subclass Monogenea
      • Subclass Digenea
        • Order Strigeidida
        • Order Azygiida
        • Order Echinostomida
        • Order Plagiorchiida
        • Order Opisthorchiida
    • Class Cestoda
      • Subclass Cestodaria
      • Subclass Eucestoda
        • Order Proteocephalidea
        • Order Tetraphyllidea
        • Order Lecanicephalidea
        • Order Pseudophyllidea
        • Order Trypanothyncha
        • Order Cyclophyllidea
        • Order Aporidea
        • Order Diphyllidea
        • Order Caryophyllidea
        • Order Spathebothriidea
    
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  • Phylum Nemertea
    • Class Anopla Order Palaeonemertea
      • Order Heteronemertea
    • Class Enopla
      • Order Hoplonemertea
      • Order Bdellonemetrea
    
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(Pseudocoelomata)

    
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  • Phylum Rotifera
    • Class Seisonidea
    • Class Bdelloidea
    • Class Monogonota
      • Order Flosculariaceae
      • Order Ploima
      • Order Collothecaceae
    
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  • Phylum Nematoda
    • Class Adenophorea
      • Order Enoplida
      • Order Dorylaimida
      • Order Trichocephalida
    • Class Secernentea
      • Subclass Rhabditia
        • Order Rhabditid
        • Order Strongylida
        • Order Ascaridida
      • Subclass Spiruria
      • Subclass Diplogasteria
    
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Original content copyright 1995-2010 Robert B. Hole, Jr. All Rights Reserved