Between brackets is the number of accepted species
1 Click on "-" to collapse/hide all child taxa
2 Shows the number of accepted species within the taxon
3 The last expanded taxon is highlighted
4 Click on "+" to expand/show all child taxa
5 Click to see the taxon details page
- Biota
- Kingdom Animalia
- Phylum Acanthocephala
- Phylum Agmata †
- Phylum Animalia (awaiting allocation)
- Phylum Animalia incertae sedis
- Phylum Annelida
- Phylum Arthropoda
- Phylum Brachiopoda
- Phylum Bryozoa
- Phylum Cephalorhyncha incertae sedis
- Phylum Chaetognatha
- Phylum Chitinozoa †
- Phylum Chordata
- Phylum Cnidaria
- Phylum Ctenophora
- Phylum Cycliophora
- Phylum Cycloneuralia incertae sedis
- Phylum Ecdysozoa incertae sedis †
- Phylum Echinodermata
- Phylum Entoprocta
- Phylum Gastrotricha
- Phylum Gnathostomulida
- Phylum Hemichordata
- Phylum Hyolitha †
- Phylum Kinorhyncha
- Phylum Lobopoda †
- Phylum Loricifera
- Phylum Micrognathozoa
- Phylum Mollusca
- Phylum Monoblastozoa accepted as Animalia incertae sedis
- Phylum Nematoda
- Phylum Nematomorpha
- Phylum Nemertea
- Phylum Onychophora
- Phylum Orthonectida
- Phylum Phoronida
- Phylum Placozoa
- Phylum Platyhelminthes
- Class Cestoda
- Class Platyhelminthes (awaiting allocation)
- Class Platyhelminthes incertae sedis
- Class Trematoda
- Order Aspidogastrea (awaiting allocation)
- Order Aspidogastrida
- Order Azygiida
- Order Capsalidea
- Order Chimaericolidea
- Order Dactylogyrida (awaiting allocation)
- Order Dactylogyridea
- Order Diclybothriidea
- Order Digenea (awaiting allocation)
- Order Digenea incertae sedis
- Order Diplostomida
- Order Echinostomida
- Order Fasciolatoidea
- Order Gymnophalloidea (awaiting allocation)
- Order Gyrodactylidea
- Order Hemiuroidea (awaiting allocation)
- Order Lepocreadioidea (awaiting allocation)
- Order Mazocraeidea
- Order Monocotylidea
- Order Monogenea (awaiting allocation)
- Order Monopisthocotylea (awaiting allocation)
- Order Montchadskyellidea
- Order Opisthorchiida
- Order Paramphistomoidea (awaiting allocation)
- Order Plagiorchiida
- Order Polyopisthocotylea
- Order Polyopisthocotylea (awaiting allocation)
- Order Polystomatidea
- Order Stichocotylida
- Order Strigeidida
- Family Bilharziellidae Price, 1929
- Family Bolbocephalodidae Strand, 1935
- Family Botulisaccidae Yamaguti, 1971
- Family Brachylaemidae
- Family Brachylaimidae Joyeux & Foley, 1930
- Family Brauninidae Wolf, 1903
- Family Bucephalidae Poche, 1907
- Family Clinostomatidae
- Family Cyathocotylidae Mühling, 1898
- Family Diplostomatidae
- Family Fellodistomatidae
- Family Gymnophallidae Odhner, 1905
- Family Harmotrematidae
- Genus Dracovermis Brooks & Overstreet, 1978
- Genus Harmotrema Nicoll, 1914
- Genus Helicotrema Odhner, 1912
- Family Hasstilesiidae Hall, 1916
- Family Leucochloridiidae Poche, 1907
- Family Leucochloridiomorphidae Yamaguti, 1958
- Family Liolopidae Odhner, 1912
- Family Monascidae
- Family Monodhelminthidae
- Family Moreauiidae Johnston, 1915
- Family Neostrigeidae
- Family Ophiodiplostomatidae accepted as Proterodiplostomidae Dubois, 1936
- Family Ovariopteridae Spasski & Kulikov, 1963
- Family Proterodiplostomatidae accepted as Proterodiplostomidae Dubois, 1936
- Family Proterodiplostomidae Dubois, 1936
- Family Sanguinicolidae accepted as Aporocotylidae Odhner, 1912
- Family Schistosomatidae Stiles & Hassall, 1898
- Family Spirorchiidae Stunkard, 1921
- Family Strigeidae Railliet, 1919
- Family Thapariellidae Srivastava, 1953
- Family Transversotrematidae Witenberg, 1944
- Family Urotrematidae Poche, 1926
- Order Trematoda (awaiting allocation)
- Order Trematoda incertae sedis
- Order Zoogonoidea (awaiting allocation)
- Genus Kunckelia Künstler, 1881
- Genus Künckelia Künstler, 1881 accepted as Kunckelia Künstler, 1881
- Class Turbellaria
- Phylum Pogonophora accepted as Siboglinidae Caullery, 1914
- Phylum Porifera
- Phylum Priapula accepted as Priapulida
- Phylum Priapulida
- Phylum Problematica † accepted as Animalia incertae sedis
- Phylum Rhombozoa
- Phylum Rotifera
- Phylum Scalidophora incertae sedis
- Phylum Sipuncula
- Phylum Tardigrada
- Phylum Trace fossils †
- Phylum Vendobionta †
- Phylum Vestimentifera accepted as Siboglinidae Caullery, 1914
- Phylum Vetulicolia †
- Phylum Vinctiplicata incertae sedis †
- Phylum Xenacoelomorpha
- Genus Trilobocaris Pribyl, 1953 †
- Kingdom Archaea
- Kingdom Bacteria
- Kingdom Chromista
- Kingdom Fungi
- Kingdom Plantae
- Kingdom Protista accepted as Protozoa
- Kingdom Protozoa
- Kingdom Viruses
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