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
- 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
- Class Sipuncula (awaiting allocation)
- Order Aspidosiphoniformes
- Family Aspidosiphonidae Baird, 1868
- Genus Akrikoides Hylleberg, 2014 accepted as Aspidosiphon Diesing, 1851
- Genus Akrikos Cutler & Cutler, 1989 accepted as Aspidosiphon Diesing, 1851
- Genus Aspidosiphon Diesing, 1851
- Genus Chryptobia Campana, 1890 accepted as Aspidosiphon Diesing, 1851
- Genus Cloeosiphon Grube, 1868
- Genus Cryptobia Deshayes in Maillard, 1863 accepted as Aspidosiphon Diesing, 1851
- Species Cryptobia heteropsammiarum Deshayes, 1863 accepted as Aspidosiphon muelleri Diesing, 1851
- Species Cryptobia michelini Deshayes, 1863 accepted as Aspidosiphon muelleri Diesing, 1851
- Genus Echinosiphon Sluiter, 1883 accepted as Cloeosiphon Grube, 1868
- Genus Lesinia Schmidt, 1854 accepted as Aspidosiphon Diesing, 1851
- Genus Lithacrosiphon Shipley in Gardiner, 1902
- Genus Loxosiphon Diesing, 1851 accepted as Aspidosiphon Diesing, 1851
- Genus Loxosiphon Quatrefages, 1865 accepted as Cloeosiphon Grube, 1868
- Genus Paraspidosiphon Stephen, 1965 accepted as Aspidosiphon Diesing, 1851
- Genus Pseudaspidosiphon Baird, 1868 accepted as Aspidosiphon Diesing, 1851
- Genus Sternaspis sensu De Chamisso & Eysenhardt, 1821 accepted as Aspidosiphon Diesing, 1851
- Family Loxosiphonea De Quatrefages, 1865 accepted as Aspidosiphonidae Baird, 1868
- Family Loxosiphonidae Baird, 1868 accepted as Aspidosiphonidae Baird, 1868
- Order Golfingiida
- Order Phascolosomatiformes
- Order Sipuncula (awaiting allocation)
- Class Sipuncula incertae sedis
- Class Sipunculidea
- 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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