Period: 416 million to 398 million years ago.
	Fishes (20)
	Upper limit
	†Osteostraci ([unranked]) Lankester, 1868
	Entire range
	†Antineosteus (Genus) Lelièvre, 1984
	†Antineosteus lehmani Lelièvre, 1984
	†Atlantidosteus hollardi H. Lelièvre, 1984
	†Buchanosteus (Genus) Stensiö, 1945
	†Furcacauda (Genus) Wilson & Caldwell, 1998
	†Kenichthys (Genus) Chang & Zhu, 1993
	†Kenichthys campbelli Chang & Zhu, 1993
	†Lupopsyrus (Genus) Bernacsek & Dineley, 1977
	†Lupopsyrus pygmaeus Bernacsek & Dineley, 1977
	†Pedavis (Genus) Klapper & Philip, 1971
	†Pituriaspida ([unranked]) - pituriaspids
	†Porolepis (Genus) Woodward, 1891
	Lower limit
	†Atlantidosteus (Genus) H. Lelièvre, 1984
	†Ptyctodontida (Order) Gross, 1932 see (Order) †Ptyctodontiformes
	Within limits
	Chimaeridae (Family) Rafinesque, 1815 - shortnose chimaeras
	Chondrichthyes ([unranked]) Huxley, 1880
	†Conodonta (Superclass) Eichenberg, 1930 see (Class) †Conodonta Eichenberg, 1930 - conodonts
	†Hibbardellina (Order)
	Pisces (Superclass) Linnaeus, 1758 - fishes
	Vertebrates (7)
	Upper limit
	†Heterostraci ([unranked]) Lankester, 1868 - heterostracans
	†Thelodonti (Superclass) Jaekel, 1911 see (Superclass) †Thelodontomorphi Jaekel, 1911 - thelodonts
	Entire range
	†Petalichthyida ([unranked]) Jaekel, 1911 - petalichthyids
	†Rhenanida ([unranked]) - rhenanids
	Within limits
	Vertebrata (Subphylum) Cuvier, 1812 see (Infraphylum) Vertebrata Lamarck, 1801 - vertebrates
	Vertebrata (Phylum) Lamarck, 1801 see (Infraphylum) Vertebrata Lamarck, 1801
	Vertebrata ([unranked]) Lamarck, 1801 see (Infraphylum) Vertebrata Lamarck, 1801 - vertebrates
	Echinoderms (29)
	Upper limit
	†Diploporita (Class) Müller, 1854
	†Homoiostelea (Class) Gill & Caster, 1960
	Within limits
	Asteroidea (Class) Blainville, 1830 - sea stars
	Asteroidea (Subclass) Blainville, 1830 see (Class) Asteroidea Blainville, 1830 - starfishes
	Asterozoa (Subphylum) von Zittel, 1895 see (Infraphylum) Asterozoa von Zittel, 1895
	†Blastoidea (Class) Say, 1825
	†Blastozoa (Subphylum) Sprinkle, 1973 see (Infraphylum) †Blastozoa Sprinkle, 1973
	†Camerates (Subclass)
	†carpoids ([unranked]) see (Class) †Carpoidea Jaekel, 1918
	Crinoidea (Class) Miller, 1821 - sea lilies and feather stars
	Crinozoa (Subphylum) Matsumoto, 1929 see (Infraphylum) Crinozoa Matsumoto, 1929
	†Cyclocystoidea (Class) Miller & Gurley, 1895
	†Echinocystitoida (Order) Jackson, 1912
	Echinodermata (Phylum) Bruguière, 1789 - echinoderms
	Echinoidea (Class) (Leske, 1778) - sea urchins and sand dollars
	Echinozoa (Subphylum) von Zittel, 1895 see (Infraphylum) Echinozoa Haeckel, in Von Zittell, 1895
	†Edrioasteroidea (Class) Billings, 1858
	†Flexibles (Subclass)
	Holothuroidea (Class) (de Blainville, 1834) - sea cucumbers
	†Homalozoa (Subphylum) Whitehouse, 1941
	†Inadunates (Subclass)
	†Ophiocistioidea (Class) (Sollas, 1899)
	Ophiuroidea (Class) Gray, 1840 - brittle stars and basket stars
	Ophiuroidea (Subclass) Gray, 1840 see (Class) Ophiuroidea Gray, 1840 - brittle stars
	†Palaechinoida (Order)
	Platyasterida (Order) Spencer, 1951
	†Rhombifera (Class) Pérès, 1956
	Somasteroidea (Subclass) Spencer, 1951 see (Order) Platyasterida Spencer, 1951
	†Stylophora (Class) Gill & Caster, 1960 - stylophorans
	Insects (5)
	Entire range
	†Rhyniella (Genus) Hirst & Maulik, 1926
	†Rhyniognatha (Genus) Tillyard, 1928
	†Rhyniognatha hirsti R.J. Tillyard, 1926
	Lower limit
	Insecta (Class) Linnaeus, 1758 - insects
	Within limits
	Pterygota (Infraclass) Lang, 1888
	Crustaceans (19)
	Entire range
	†Beyrichia (Genus) McCoy, 1846
	Lower limit
	Conchostraca (Order) (Sars, 1867) see (Order) Diplostraca Gerstaecker, 1866 - clam shrimps
	Within limits
	Bairdia (Genus) McCoy, 1844
	Branchiopoda (Class) Latreille, 1817 - branchiopods
	Cephalocarida (Class) H.L. Sanders, 1955 - cephalocarids
	Cirripedia (Class) (Rafinesque, 1816) see (Infraclass) Cirripedia Burmeister, 1834
	Crustacea (Superclass) Pennant, 1777 see ([unranked]) Crustaceomorpha Chernyshev, 1960 - crustaceans
	Eucrustacea (Epiclass) Kingsley, 1894 see (Subphylum) Pancrustacea Zrzavý et al., 1997
	Lepadomorpha (Suborder) Pilsbry, 1916
	Malacostraca (Class) Latreille, 1802
	Myodocopida (Order) Sars, 1866
	Ostracoda (Class) Latreille, 1802 - ostracods
	Ostracoda (Subclass) Latreille, 1806 see (Class) Ostracoda Latreille, 1802 - ostracods
	†Palaeocopida (Order) Henningsmoen, 1953 see (Suborder) †Palaeocopina Henningsmoen, 1953
	Peracarida (Superorder) Calman, 1904
	Phyllocarida (Subclass) Packard, 1879 - leptostracans
	Platycopida (Order) Sars, 1866
	Podocopida (Order) (Sars, 1866) G.W. Müller, 1894
	Thoracica (Order) Darwin, 1854 see (Superorder) Thoracica Darwin, 1854 - goose and acorn barnacles
	Mites (1)
	Within limits
	Eupodidae (Family) Koch, 1842
	Arachnids (9)
	Entire range
	†Alkenia (Genus) Størmer, 1970
	Within limits
	Acariformes (Order) Zakhvatkin, 1952 see (Superorder) Acariformes Zakhvatkin, 1952
	Arachnida (Class) Lamarck, 1801
	Opiliones (Order) Sundevall, 1833 - harvestmen
	†Phalangiotarbida (Order) Haase, 1890
	Pseudoscorpiones (Order) De Geer, 1778
	Scorpiones (Order) Koch, 1837 - scorpions
	†Trigonotarbida (Order) Petrunkevitch, 1949
	†Uraraneida (Order) Selden & Shear, 2008
	Arthropods (40)
	Entire range
	†Archidesmida (Order) H.M. Wilson & L.I. Anderson, 2004
	†Archidesmidae (Family) Scudder, 1885
	†Archidesmus (Genus) Peach, 1882
	†Archidesmus macnicoli Peach, 1882
	†Palaeodesmus (Genus) H.M. Wilson & L.I. Anderson, 2004
	†Palaeodesmus tuberculata (S.G. Brade-Birks, 1923) H.M. Wilson & L.I. Anderson, 2004
	†Terataspis (Genus) Hall, 1863
	†Terataspis grandis (Hall, 1863)
	†Waeringoscorpio (Genus) Størmer, 1970
	Lower limit
	Collembola (Order) Lubbock, 1870 see (Class) Collembola Lubbock, 1870 - springtails
	Entognatha (Class) Hirst & Maulik, 1926 see (Class) Hexapoda Blainville, 1816
	Hexapoda (Epiclass) Latreille, 1825 see (Superclass) Hexapoda Latreille, 1825
	Within limits
	Arachnida (Clade) Cuvier, 1812 see (Class) Arachnida Lamarck, 1801
	†Archipolypoda (Class) Scudder, 1882 see (Superorder) †Archipolypoda Scudder, 1882
	Arthropoda (Phylum) Siebold, 1848 - arthropods
	Chelicerata (Subphylum) Heymons, 1901
	Chelicerata (Superclass) Heymons, 1901 see (Subphylum) Chelicerata Heymons, 1901
	Collembola (Class) Lubbock, 1870
	Crustacea (Subphylum) Brünnich, 1772 see (Superclass) Crustacea Pennant, 1777 - crustaceans
	Euchelicerata ([unranked]) Weygoldt & Paulus, 1979
	†Eurypterida (Order) Burmeister, 1843 - eurypterids
	†Lichidae (Family) Hawle & Corda, 1847
	Merostomata (Class) Dana, 1852 see (Class) Xiphosura Latreille, 1802 - horseshoe crabs
	Myriapoda (Superclass) Latreille, 1802 see (Subphylum) Myriapoda Latreille, 1802
	Onychophora (Superclass) Grube, 1853 see (Phylum) Onychophora Grube, 1853
	Pantopoda (Order) Gerstaecker, 1863
	Pantopoda (Class) Gerstaecker, 1863 see (Order) Pantopoda Gerstaecker, 1863
	Pentastomida ([unranked]) see (Subclass) Pentastomida Diesing, 1836
	†Polymerida (Order)
	Progoneata ([unranked])
	Pycnogonida (Class) Latreille, 1810 - pycnogonids
	Pycnogonida (Superclass) Latreille, 1810 see (Class) Pycnogonida Latreille, 1810
	†Styginidae (Family) Vogdes, 1890
	†Trilobita (Class) Walch, 1771 - trilobites
	†Trilobita (Infraphylum) Walch, 1771 see (Class) †Trilobita Walch, 1771 - trilobites
	†Trilobitomorpha (Subphylum) Størmer, 1944 see (Superclass) †Trilobitomorpha Størmer, 1944 - trilobites
	†Trilobitomorpha (Superclass) Størmer, 1944, stat. inval. see (Superclass) †Trilobitomorpha Størmer, 1944
	Xiphosura (Class) Latreille, 1802 - horseshoe crabs
	Xiphosura ([unranked]) Latreille, 1802 see (Class) Xiphosura Latreille, 1802 - horseshoe crabs
	Xiphosurida (Order) Latreille, 1802
	Molluscs (42)
	Lower limit
	†Ammonoidea (Subclass) Zittel, 1884
	Coleoidea (Subclass) Bather, 1888
	Within limits
	†Actinoceratoidea (Subclass) Teichert et al., 1964
	Amphineura (Subphylum) see (Phylum) Mollusca Linnaeus, 1758
	Anomalodesmata (Subclass) Dall, 1889 see (Order) Anomalodesmata Dall, 1889
	Archaeogastropoda (Order) Thiele, 1925 see (Order) Vetigastropoda Salvini-Plawen, 1980
	†Bactritoidea (Subclass) Shimanskiy, 1951
	†Bellerophontida (Order) Ulrich & Scofield, 1897 see (Superfamily) †Bellerophontoidea McCoy, 1852
	Bivalvia (Class) Linnaeus, 1758 - bivalves
	†Bransonia (Genus) Pojeta & Runnegar, 1976
	Caenogastropoda ([unranked]) Cox, 1960 see (Superorder) Caenogastropoda Cox, 1960
	Cephalopoda (Class) Cuvier, 1795 - cephalopods
	†Conocardioida (Order) Neumayr, 1891
	†Cyrtonellida (Order) Horny, 1963
	Cyrtosoma (Subphylum) Runnegar & Pojeta Jr., 1974 see (Phylum) Mollusca Linnaeus, 1758
	Dentalioida (Order) Palmer, 1974 see (Order) Dentaliida Starobogatov, 1974
	Diasoma (Subphylum) Runnegar & Pojeta Jr., 1974 see (Phylum) Mollusca Linnaeus, 1758
	Euomphalina (Suborder) de Koninck, 1881 see (Superfamily) †Euomphaloidea White, 1877
	Gastropoda (Class) Cuvier, 1795 - snails and slugs
	Heterobranchia ([unranked]) Burmeister, 1837 see (Superorder) Heterobranchia Burmeister, 1837
	Heteroconchia (Subclass) Gray, 1854 see (Superorder) Heteroconchia Gray, 1854
	†Hippocardia (Genus) Brown, 1843
	†Hyolitha ([unranked]) see (Phylum) †Hyolitha (Marek, 1963)
	†Hyolithida (Order) Matthew, 1899
	Isofilibranchia (Subclass) Iredale, 1939 see (Superorder) Isofilibranchia Iredale, 1939
	Mesogastropoda (Order) Thiele, 1925 see ([unranked]) mesogastropods - mesogastropods
	Mollusca (Phylum) Linnaeus, 1758 - molluscs
	†Murchisonia (Genus) d'Archiac & Verneuil, 1841
	Murchisoniina (Suborder) Cox & Knight, 1960 see (Superfamily) †Murchisonioidea Koken, 1896
	Nautiloidea (Subclass) Agassiz, 1848
	Nautilus (Genus) Linnaeus, 1758
	Palaeotaxodonta (Subclass) Korobkov, 1954 see (Subclass) Protobranchia Pelseneer, 1889
	Patellina (Suborder) Ihering, 1876 see (Superfamily) Patelloidea Rafinesque, 1815
	Pelecypoda (Class) Goldfuss, 1820 see (Class) Bivalvia Linnaeus, 1758
	†Platyceras (Genus) Conrad, 1840
	Pleurotomariina (Suborder) (Cox & Knight, 1960) see (Superfamily) Pleurotomarioidea Swainson, 1840
	Prosobranchia (Subclass) Milne-Edwards, 1848 see (Class) Gastropoda Cuvier, 1795 - prosobranchs
	Pteriomorphia (Subclass) Beurlen, 1944 see (Superorder) Pteriomorphia Beurlen, 1944
	†Rostroconchia (Class) Pojeta et al., 1972
	Scaphopoda (Class) Bronn, 1862 - tusk shells
	Trochina (Suborder) (Cox & Knight, 1960) see (Superfamily) Trochoidea Rafinesque, 1815
	Tryblidiida (Order) Lemche, 1957 see (Order) Monoplacophorida Wenz, in Knight, 1952
	Annelids (3)
	Within limits
	Annelida (Phylum) Lamarck, 1809 - segmented worms
	Polychaeta (Class) Grube, 1850 - polychaetes
	Spirorbis (Genus) Daudin, 1800
	Sponges (46)
	Entire range
	†Anostylostroma jewetti Conrad
	†Habrostroma centrotum (Girty)
	†Habrostroma microporum (Girty)
	†Parallelostroma foveolatum Girty
	†Parallelostroma microporum Girty
	Within limits
	Amphidiscophora (Subclass) Schulze, 1886
	Amphidiscosa (Order) Schrammen, 1924 see (Order) Amphidiscosida Schrammen, 1924
	Amphidiscosida (Order) Schrammen, 1924
	†Anthaspidellidae (Family) Miller, 1889
	†Astraeospongiidae (Family) Miller, 1889
	†Astylospongiidae (Family) Zittel, 1877
	Calcarea (Class) Bowerbank, 1864 - calcareous sponges
	Ceractinomorpha (Subclass) Lévi, 1953 see (Class) Demospongiae Sollas, 1885
	†Chiastoclonellidae (Family) Rauff, 1895
	Clionaidae (Family) d'Orbigny, 1851
	Clionidae (Family) d'Orbigny, 1851, nom. illeg. see (Family) Clionaidae d'Orbigny, 1851
	†Cnemidiastridae (Family) Schrammen, 1924
	Demospongea (Class) Sollas, 1875 see (Class) Demospongiae Sollas, 1885
	Demospongiae (Class) Sollas, 1885 - demosponges
	†Dictyospongiidae (Family) Hall & Clarke, 1898
	†Dictyospongioidea (Superfamily) Hall & Clarke, 1899
	†Dierespongioidea (Superfamily) Rigby & Gutschick 1976
	Hadromerida (Order) Topsent, 1894
	†Haplistiidae (Family) de Laubenfels, 1955
	†Heteractinida (Order) Hinde, 1887 see (Class) †Heteractinida de Laubenfels, 1955
	Hexactinellida (Class) Schmidt, 1870 - hexactinellids
	Hexasterophora (Subclass) Schulze, 1886
	Lithistida (Order) Schmidt, 1870 see (Subclass) Lithistida Schmidt, 1870 - lithistids
	Lyssacinosa (Order) Zittel, 1877 see (Order) Lyssacinosida Zittel, 1877
	Lyssacinosida (Order) Zittel, 1877
	†Orchocladina (Suborder) Rauff, 1893 see (Order) †Orchocladina Rauff, 1895
	Porifera (Phylum) Grant, 1836 - sponges
	†Protospongioidea (Superfamily) Hinde, 1887
	†Reticulosa (Order) Reid, 1958
	Rhizomorina (Suborder) Zittel, 1895
	Sclerospongea (Class) see (Class) Sclerospongiae Hartman & Goreau, 1970
	Sclerospongiae (Class) Hartman & Goreau, 1970 see (Class) Demospongiae Sollas, 1885
	Solenida (Order) de Laubenfels, 1955
	Sphaerocladina (Suborder) Schrammen, 1910
	†Sphinctozoa (Order) (Steinmann, 1882)
	†Stromatoporata (Class) see (Class) †Stromatoporoidea Nicholson & Murie, 1878
	†Stromatoporoida (Order) see (Class) †Stromatoporoidea Nicholson & Murie, 1878
	†Stromatoporoidea (Class) Nicholson & Murie, 1878
	Tetracladina (Suborder) Zittel, 1878
	Tetractinomorpha (Subclass) Lévi, 1953 see (Class) Demospongiae Sollas, 1885
	Verongida (Order) Bergquist, 1978
	Invertebrates (159)
	Upper limit
	†Ancistrorhynchoidea (Superfamily) Cooper, 1956
	†Camerelloidea (Superfamily) Hall & Clarke, 1894
	†Cyrtioidea (Superfamily) Fredericks, 1919
	†Graptoloidea (Order) Lapworth, 1875
	†Orthidina (Suborder) Schuchert & Cooper, 1932
	†Orthoidea (Superfamily) Woodward, 1852
	†Retzielloidea (Superfamily) Rzhonsnitskaya, 1974
	†Syntrophiidina (Suborder) Ulrich & Cooper, 1936
	Entire range
	†Cladopora (Genus) Hall, 1851
	†Favosites conicus Hall
	†Hadrophyllum d'orbignyi Edwards & Haime
	†Mongolospiroidea (Superfamily) Alekseeva, 1981
	†Monograptus hercynicus
	†Monograptus hercynicus nevadaensis
	†Monograptus uniformis (Pribyl, 1940)
	†Monograptus yukonensis Lenz & Jackson, 1963
	†Syringopora (Genus) Goldfuss, 1826
	†Syringopora perelegans Billings
	Lower limit
	†Brachythyridoidea (Superfamily) Frederiks, 1924
	†Centronellidina (Suborder) Stehli, 1965 see (Suborder) Terebratulidina Waagen, 1883
	†Cryptonelloidea (Superfamily) Thomson, 1926
	†Cyrtinidina (Suborder) Carter & Johnson, 1994
	†Cyrtinoidea (Superfamily) Frederiks, 1912
	†Cyrtospiriferoidea (Superfamily) Termier & Termier, 1949
	†Dielasmatoidea (Superfamily) Schuchert, 1913
	Lingula (Genus) Bruguière, 1797
	†Linoproductoidea (Superfamily) Stehli, 1954
	†Michelinia (Genus) Koninck, 1841
	†Productida (Order) Sarycheva & Sokolskaya, 1959
	†Productidina (Suborder) Waagen, 1883
	†Productoidea (Superfamily) Gray, 1840
	Pugnacoidea (Superfamily) Rzhonsnitskaia, 1956
	†Spiriferinida (Order) Ivanova, 1972
	†Stenoscismatoidea (Superfamily) Oehlert, 1887
	†Strophalosiidina (Suborder) Schuchert, 1913
	†Strophalosioidea (Superfamily) Schuchert, 1913
	†Stryingocephaloidea (Superfamily) see (Superfamily) †Stringocephaloidea King, 1850
	Terebratulida (Order) Waagen, 1883
	Terebratulidina (Suborder) Waagen, 1883
	†Theodossioidea (Superfamily) Ivanova, 1959
	Within limits
	Acrotretida (Order) Kuhn, 1949
	†Acrotretoidea (Superfamily) Schuchert, 1893
	†Adolfioidea (Superfamily) Sartenaer, 1966
	†Ambocoelioidea (Superfamily) George, 1931
	Anthozoa (Class) Ehrenberg, 1831
	Articulata (Class) Huxley, 1869
	†Athyridida (Order) Boucot et al., 1964
	†Athyrididina (Suborder) Boucot et al., 1964
	†Athyridoidea (Superfamily) McCoy, 1841
	†Atrypida (Order) Rzhonsnitskaya, 1960
	†Atrypidina (Suborder) Moore, 1952
	†Atrypoidea (Superfamily) Gill, 1871
	Brachiopoda (Phylum) Duméril, 1806 - brachiopods
	Bryozoa (Phylum) Ehrenberg, 1831 - bryozoans
	†Camarotoechioidea (Superfamily) Schuchert, 1929
	†Chileata (Class) Williams  et al., 1996
	†Chilidiopsoidea (Superfamily) Boucot, 1959
	†Chonetidina (Suborder) Muir-Wood, 1955
	†Chonetoidea (Superfamily) Bronn, 1862
	†Clorindoidea (Superfamily) Rzhonsnitskaia, 1956
	Cnidaria (Phylum) Hatschek, 1888 - cnidarians
	†Conodonta (Phylum) Eichenberg, 1930 see (Subclass) †Conodonta Eichenberg, 1930
	†Conodontophorida (Class) Eichenberg, 1930 see (Order) †Conodontophorida Eichenberg, 1930
	†Conulariida (Order) Miller & Gurley, 1896
	†Conulata (Class) Moore & Harrington, 1956
	Craniata (Class) Williams, Carlson, Brunton, Holmer & Popov, 1996
	Craniida (Order) Waagen, 1885
	Craniidae (Family) Menke, 1828
	Craniiformea (Subphylum) Popov, Bassett, Holmer & Laurie, 1993
	Cranioidea (Superfamily) Menke, 1828
	†Craniopsida (Order) Gorjansky & Popov, 1985
	†Craniopsidae (Family) Williams, 1963
	†Craniopsoidea (Superfamily) Williams, 1963
	†Cryptostomata (Order) Vine, 1884 see (Order) †Cryptostomida Bassler, 1953
	Ctenophora (Phylum) Eschscholtz, 1829 - comb jellies
	Ctenostomata (Order) Busk, 1852
	†Cystoporata (Order) Astrova, 1964
	†Dalmanellidina (Suborder) Moore, 1952
	†Dalmanelloidea (Superfamily) Schuchert, 1913
	†Davidsoniidina (Suborder) Copper, 1996
	†Davidsonioidea (Superfamily) King, 1850
	†Delthyridina (Suborder) Ivanova, 1972
	†Delthyridoidea (Superfamily) Phillips, 1841
	†Dendroidea (Order) Nicholson, 1872
	†Dictyonellida (Order) Cooper, 1956
	Discinidae (Family) Gray, 1840
	Discinoidea (Superfamily) Gray, 1840
	Echiura (Phylum) Sedgwick, 1898 see (Class) Echiura - spoon worms, echiurans
	Ectoprocta (Phylum) Nitsche, 1869 see (Phylum) Bryozoa Ehrenberg, 1831 - ectoprocts
	†Eichwaldioidea (Superfamily) Schuchert, 1893
	†Enteletoidea (Superfamily) Waagen, 1884
	†Fenestrata (Order) Elias & Condra, 1957 see (Order) †Fenestellida Astrova & Morozova, 1956
	†Graptolithina (Class) Bronn, 1849
	Gymnolaemata (Class) Allman, 1856
	†Gypiduloidea (Superfamily) Schuchert & LeVene, 1929
	Hemichordata (Phylum) Bateson, 1885 - hemichordates
	Hydroida (Order) Johnston, 1836 see (Order) Anthoathecatae - hydroids
	Hydrozoa (Class) Owen, 1843
	†Hyolitha (Phylum) (Marek, 1963) see (Class) †Hyolitha Marek, 1963
	†Hyolithes (Genus) Eichwald, 1840
	Inarticulata (Class) (Huxley, 1869)
	Larvacea (Class) Herdman, 1891 see (Class) Appendicularia Lahille, 1890
	Lingulata (Class) Gorjansky & Popov, 1985
	Lingulida (Order) Waagen, 1885
	Linguliformea (Subphylum) Williams et al., 1996
	Linguloidea (Superfamily) Menke, 1828
	†Lissatrypidina (Suborder) Copper, 1996
	†Lissatrypoidea (Superfamily) Twenhofel, 1914
	†Lobopodia (Phylum) Snodgrass, 1938 - lobopodians
	†Martinioidea (Superfamily) Waagen, 1883
	†Meristelloidea (Superfamily) Waagen, 1883
	Monoplacophora (Class) Odhner, 1940 - monoplacophorans
	Myriapoda ([unranked]) Latreille, 1802 see (Subphylum) Myriapoda Latreille, 1802
	†Nucleospiroidea (Superfamily) Davidson, 1881
	†Obolidae (Family) King, 1846
	Octocorallia (Subclass) Haeckel, 1866 see (Subclass) Alcyonaria - octocorals
	†Orthida (Order) Schuchert & Cooper, 1932
	†Orthotetida (Order) Waagen, 1884
	†Orthotetidina (Suborder) Waagen, 1884
	†Orthothecida (Order) Marek, 1966
	†Palaferelloidea (Superfamily) Spriestersbach, 1942
	†Pentamerida (Order) Schuchert & Cooper, 1931
	†Pentameridina (Suborder) Schuchert & Cooper, 1931
	†Plectambonitoidea (Superfamily) Jones, 1928
	†Plicanoplitoidea (Superfamily) Garratt, 1980
	Polyplacophora (Class) Blainville, 1816 - chitons
	†Procoelomata (Phylum) Bergström, 1989
	†Protorthida (Order) Schuchert & Cooper, 1931
	Pterobranchia (Class) Lankester, 1877 - pterobranchs
	Pterobranchia (Phylum) Lankester, 1877 see (Class) Pterobranchia Lankester, 1877
	†Reticularioidea (Superfamily) Waagen, 1883
	†Retziidina (Suborder) Boucot et al., 1964
	†Retzioidea (Superfamily) Waagen, 1883
	Rhynchonellata (Class) Williams et al., 1996
	Rhynchonellida (Order) Kuhn, 1949
	Rhynchonelliformea (Subphylum) Williams et al., 1996
	†Rhynchospirinoidea (Superfamily) Schuchert, 1929
	†Rhynchotrematoidea (Superfamily) Schuchert, 1913
	†Rostroconchia ([unranked]) Cox, 1960 see (Class) †Rostroconchia Pojeta et al., 1972
	†Rugosa (Order) Milne-Edwards & Haime, 1850
	Scyphomedusae (Group) see (Subclass) Scyphomedusae Lankaster, 1877
	Scyphozoa (Class) Goette, 1887 - jellyfish
	†Skenidioidea (Superfamily) Kozlowski, 1929
	†Spinelloidea (Superfamily)
	†Spiriferida (Order) Waagen, 1883
	†Spiriferidina (Suborder) Waagen, 1883
	Stenolaemata (Class) Borg, 1926
	†Stenoscismatacea (Superfamily) Oelert, 1887, nom. illeg. see (Superfamily) †Stenoscismatoidea Oehlert, 1887
	†Strophomenata (Class) Williams et al, 1996
	†Strophomenida (Order) Opik, 1934
	†Strophomenidina (Suborder) Opik, 1934
	†Strophomenoidea (Superfamily) King, 1846
	†Tabulata (Order) (Milne-Edwards & Haime, 1850)
	Tracheata (Subphylum)
	Trachylinida (Order) see (Order) Trachylina Haeckel, 1879
	†Trepostomata (Order) Ulrich, 1882
	Tubuliporata (Order)
	†Uncinuloidea (Superfamily) Rzonsnitskaya, 1956
	Zoantharia (Subclass) de Blainville, 1830
	Animals (2)
	Within limits
	Animalia (Kingdom) Linnaeus, 1758 - animals
	Chordata (Phylum) Bateson, 1885 - chordates
	Fungi (2)
	Within limits
	Fungi (Kingdom) R.T.Moore (1980) - fungi
	Glomeromycota (Phylum) C. Walker & A. Schüssler (2001) - arbuscular mycorrhizal fungi
	Plants (15)
	Upper limit
	†Rhynia (Genus) Kidst. & W.H.Lang (1917)
	Entire range
	†Cervicornus (Genus) C. Li & Hueber (2000)
	†Cervicornus wenshanensis C. Li & Hueber (2000)
	†Huia (Genus) B.Y.Geng (1985)
	†Huia gracilis D. Wang & S. Hao (2001)
	†Huia recurvata B.Y.Geng (1985)
	†Trimerophytales (Order) Kasper, H.N. Andrews & W.H. Forbes (1974)
	†Zosterophyllum (Genus) Penh. (1892)
	Lower limit
	Bryophyta (Phylum) A.Braun (1864) - bryophytes
	Lycophyta (Phylum) see (Infraphylum) Lycophytae (auct.) Cavalier-Sm. (1998) - lycophytes
	Within limits
	†Barinophytaceae (Family) Høeg ex H. Banks (1975)
	Filicinophyta (Phylum) see (Infraphylum) Filices (L.) Cavalier-Sm. (1998)
	Pinophyta (Division) Cronquist, Takht. & Zimmerm. see (Division) Pinophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996)
	Plantae (Kingdom) Haeckel (1866) - plants
	†Protobarinophyton (Genus) Ananiev (1956)
	Algae (17)
	Upper limit
	†Oppilatala (Genus) Loeblich & Wicander, 1976
	Entire range
	†Oppilatala vulgaris Loeblich & Wicander (1976)
	†Ozotobrachion (Genus) Loeblich & Drugg, 1968
	†Ozotobrachion dactylos Loeblich & Drugg (1968)
	Within limits
	†Buedingiisphaeridium (Genus) Schaarschmidt, 1963 emend. Lister, 1970 emend. Sarjeant & Stancliffe, 1994
	Charales (Order) Lindl. (1836) - stoneworts
	†Comasphaeridium (Genus) Staplin, Jansonius & Pocock, 1965
	†Cymatiosphaera multisepta Deunff (1955)
	Dasycladaceae (Family) Kützing (1843)
	Dasycladales (Order) Pascher (1931)
	†Dorsennidium (Genus) Wicander, 1974
	†Dorsennidium europaeum (Stockmans & Willière, 1960) Sarjeant & Stancliffe (1994)
	†Dorsennidium europaeum subsp. europaeum (Stockmans & Willière, 1960) Sarjeant & Stancliffe (1994)
	†Gorgonisphaeridium (Genus) Staplin, Jansonius & Pocock, 1965
	†Micrhystridium (Genus) Deflandre, 1937
	†Multiplicisphaeridium (Genus) Staplin, 1961
	Prasinophyceae (Class) T. Christensen, 1962 ex Ø. Moestrup & J. Throndsen (1988) see ([unranked]) prasinophytes - prasinophytes
	Protozoa (7)
	Within limits
	†Acritarcha (Group) Evitt, 1963 - acritarchs
	allogromids (Suborder) see (Order) Allogromiida Loeblich & Tappan, 1961
	Foraminifera (Class) d'Orbigny, 1826 see (Phylum) Foraminifera d'Orbigny, 1826
	Foraminifera (Order) d'Orbigny, 1826 see (Class) Foraminifera d'Orbigny, 1826
	Foraminiferida (Order) d'Orbigny, 1826 see (Class) Foraminifera d'Orbigny, 1826 - foraminiferans
	†Fusulinids (Suborder) see (Order) †Fusulinida Fursenko, 1958
	textularids (Suborder) see (Order) Textulariida Delage & Hérouard, 1896
	Protists (34)
	Upper limit
	†Anthochitina (Genus) Eisenack, 1971
	†Armoricochitina (Genus) Paris, 1981
	†Bulbochitina (Genus) Paris, 1981
	†Calpichitina (Genus) Wilson & Hedlund, 1964
	†Cingulochitina (Genus) Paris, 1981
	†Desmochitina (Genus) Eisenack, 1931
	†Margachitina (Genus) Eisenack, 1968
	†Pterochitina (Genus) Eisenack, 1955
	†Pterochitininae (Subfamily) Paris, 1981
	†Urnochitina (Genus) Paris, 1981
	Entire range
	†Muscochitina (Genus) Paris, 1981
	Lower limit
	†Urochitina (Genus) Taugourdeau & de Jekhowsky, 1960
	†Urochitininae (Subfamily) Paris, 1981
	Within limits
	†Ancyrochitina (Genus) Eisenack, 1955
	†Ancyrochitininae (Subfamily) Paris, 1981
	†Angochitininae (Subfamily) Paris, 1981
	†Bursachitina (Genus) Taugourdeau, 1966
	†Chitinozoa Eisenack, 1931 - chitinozoans
	†Cyathochitininae (Subfamily) Paris, 1981
	†Desmochitinidae (Family) Eisenack, 1931
	†Desmochitininae (Subfamily) Eisenack, 1931
	†Eisenackitina (Genus) Jansonius, 1964
	†Fungochitina (Genus) Taugourdeau, 1966
	†Lagenochitina (Genus) Eisenack, 1931
	†Lagenochitinidae (Family) Eisenack, 1931
	†Lagenochitininae (Subfamily) Eisenack, 1931
	†Linochitina (Genus) Eisenack, 1968
	†Margachitininae (Subfamily) Paris, 1981
	†Operculatifera (Order) Eisenack, 1931
	Paleodictyon (Genus) Menghini, 1850
	Polycystinea (Class) Ehrenberg, 1838 see (Superclass) Polycystinia Ehrenberg, 1838 - polycystines
	†Prosomatifera (Order) Eisenack, 1972
	Spirotrichea (Class) Bütschli, 1889
	Tintinnina (Suborder) Kofoid & Campbell, 1929 see (Order) Tintinnida Kofoid & Campbell, 1929
	Eukaryotes (4)
	Within limits
	Dinomastigota (Phylum) Margulis, 1996 see (Phylum) Dinoflagellata Engl. (1903)
	Eukarya (Superkingdom) Chatton, 1925 see (Domain) Eukaryota Chatton, 1925
	Eukaryota (Domain) Chatton, 1925 - eukaryotes
	Protoctista (Kingdom) Hogg, 1860
	Prokaryotes (4)
	Within limits
	Bacteria (Kingdom) (Cohn 1870) Cavalier-Smith 1983 see (Kingdom) Bacteria Cavalier-Smith 2002 - bacteria
	Bacteria (Kingdom) Cavalier-Smith 2002 see (Domain) Bacteria Woese et al. 1990 - bacteria
	Cyanobacteria (Phylum) (ex Stanier 1974) Cavalier-Smith 2002 - cyanobacteria
	Monera (Kingdom) Haeckel 1866 see (Domain) Bacteria Woese et al. 1990
	Organisms (1)
	Within limits
	organisms ([unranked]) see (Clade) Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
	Geological regions (53)
	Within limits
	Aldan Shield (Geologic province)
	Anabar Shield ([unranked])
	Arabian-Nubian Shield ([unranked])
	Baikal Fold Belt ([unranked])
	†Baltic Plate ([unranked]) see (Tectonic plate) Eurasian Plate
	Baltic Shield ([unranked])
	Cameroon N'tem Complex ([unranked])
	Central Africa Craton ([unranked])
	Chaillu Craton ([unranked])
	Committee Bay Block ([unranked])
	Congo Craton ([unranked])
	Ethiopian Block ([unranked])
	†Euramerica ([unranked])
	†Gondwana ([unranked]) E. Suess, 1861
	Greenland Shield (Geologic province)
	Guapore Craton ([unranked])
	Guiana Shield ([unranked])
	Indian Shield (Geologic province)
	Kaapvaal Craton ([unranked])
	Kaminak Group ([unranked])
	Kasaï Craton ([unranked])
	Labrador Shield ([unranked])
	Litchfield Complex ([unranked])
	Luis Alves Massif ([unranked])
	Madagascar Craton ([unranked])
	Man Shield ([unranked])
	Nanambu Complex ([unranked])
	†Pangea ([unranked]) see ([unranked]) †Pangaea A. Wegener, 1920
	Pilbara Block (Geologic province)
	Reguibat Shield ([unranked])
	Rio de la Plata Craton ([unranked])
	Rio de la Plata Massif ([unranked])
	Rul Jungle Complex ([unranked])
	São Francisco Craton ([unranked])
	Sayan Fold Belt ([unranked])
	Scottish Shield ([unranked])
	Sebakwe Proto-Craton ([unranked])
	Sino-Korean Craton ([unranked]) see ([unranked]) North China Craton
	Slave Craton ([unranked])
	Slave Province ([unranked])
	Superior Craton ([unranked])
	Superior Province ([unranked])
	Tanzanian Craton ([unranked])
	Tarim Craton ([unranked])
	Tuareg Shield ([unranked])
	Ukrainian Shield (Geologic province)
	West African Craton ([unranked])
	Wyoming Province ([unranked])
	Yangtze Craton ([unranked])
	Yienisei Fold Belt ([unranked])
	Yilgarn Block (Geologic province)
	Zambian Block ([unranked])
	Zimbabwe Craton ([unranked])
	Geological entities (2)
	Within limits
	Napier Complex ([unranked]) (Antarctica)
	†Proto-Tethys Ocean ([unranked])
Links
	http://www.palaeos.com/Paleozoic/Devonian/EarlyDev.html