Period: 488 million to 444 million years ago.
Fishes (5)
Entire range
†Eoneoprioniodus (Genus) Mound, 1965
Lower limit
†Osteostraci ([unranked])
Within limits
†Conodonta (Superclass) Eichenberg, 1930 - conodonts
†Distacodontina (Order)
Pisces (Superclass) Linnaeus, 1758 - fishes
Vertebrates (4)
Lower limit
†Thelodonti (Superclass) Jaekel, 1911 - thelodonts
Within limits
Vertebrata (Subphylum) Cuvier, 1812 - vertebrates
Vertebrata (Phylum) (Lamarck, 1801)
Vertebrata (Clade) (Lamarck, 1801) see (Subphylum) Vertebrata Cuvier, 1812 - vertebrates
Echinoderms (15)
Entire range
†Isorophus (Genus) Foerste, 1916
†Meristoschisma (Genus) Sprinkle, 1973
†Taeniaster (Genus) Billings, 1858
Within limits
†Blastozoa (Subphylum) Sprinkle, 1973 see (Infraphylum) †Blastozoa Sprinkle, 1973
†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
Echinodermata (Phylum) Bruguière, 1789 - echinoderms
Echinozoa (Subphylum) von Zittel, 1895 see (Infraphylum) Echinozoa Haeckel, in Von Zittell, 1895
†Edrioasteroidea (Class) Billings, 1858
†Eocrinoidea (Class) Jaekel, 1918
Holothuroidea (Class) (de Blainville, 1834) - sea cucumbers
†Homalozoa (Subphylum) Whitehouse, 1941
†Homoiostelea (Class) Gill & Caster, 1960
†Stylophora (Class) Gill & Caster, 1960 - stylophorans
Crustaceans (16)
Entire range
†Ceratopsis (Genus) Ulrich, 1894
Lower limit
Bairdia (Genus) McCoy, 1844
†Eurychilinidae (Family) Ulrich & Bassler, 1923
Myodocopida (Order) Sars, 1866
†Palaeocopida (Order) Henningsmoen, 1953 see (Suborder) †Palaeocopina Henningsmoen, 1953
Platycopida (Order) Sars, 1866
Podocopida (Order) (Sars, 1866) G.W. Müller, 1894
Within limits
Branchiopoda (Class) Latreille, 1817 - branchiopods
Cephalocarida (Class) H.L. Sanders, 1955 - cephalocarids
Crustacea (Superclass) Pennant, 1777 see ([unranked]) Crustaceomorpha Chernyshev, 1960 - crustaceans
Eucrustacea (Epiclass) Kingsley, 1894 see (Subphylum) Pancrustacea Zrzavý et al., 1997
†Leperditicopida (Order) Scott, 1961
Malacostraca (Class) Latreille, 1802
Ostracoda (Class) Latreille, 1802 - ostracods
Ostracoda (Subclass) Latreille, 1806 see (Class) Ostracoda Latreille, 1802 - ostracods
Phyllocarida (Subclass) Packard, 1879 - leptostracans
Arthropods (29)
Upper limit
†Agnostida (Order) Salter, 1864
Entire range
†Opipeuter (Genus) Fortey, 1974, nom. illeg.
†Pseudogygites (Genus)
†Soomaspis (Genus) Fortey & Theron, 1995
†Tariccoia (Genus) Hammann et al., 1990
†Triarthrus (Genus) Green, 1832
†Trinodus (Genus) McCoy, 1846
Lower limit
†Eurypterida (Order) Burmeister, 1843 - eurypterids
Xiphosura (Class) Latreille, 1802 - horseshoe crabs
Xiphosurida (Order) Latreille, 1802
Within limits
Arthropoda (Phylum) Siebold, 1848 - arthropods
†Chasmataspidida (Order) Caster & Brooks, 1956
Chelicerata (Subphylum) Heymons, 1901
Chelicerata (Superclass) Heymons, 1901 see (Subphylum) Chelicerata Heymons, 1901
Crustacea (Subphylum) Brünnich, 1772 see (Superclass) Crustacea Pennant, 1777 - crustaceans
Euchelicerata ([unranked]) Weygoldt & Paulus, 1979
†Marellomorpha (Subphylum) see (Subphylum) †Marrellomorpha Beurlen, 1934 - lace crabs
Merostomata (Class) Dana, 1852 see (Class) Xiphosura Latreille, 1802 - horseshoe crabs
†Naraoia (Genus) Walcott, 1912
†Naraoiidae (Family) Walcott, 1912
†Nektaspida (Order) Raymond, 1920 see (Class) †Nektaspida Raymond, 1920 - nektaspids
Onychophora (Superclass) Grube, 1853 see (Phylum) Onychophora Grube, 1853
Pentastomida ([unranked]) see (Subclass) Pentastomida Diesing, 1836
†Polymerida (Order)
Pycnogonida (Class) Latreille, 1810 - pycnogonids
†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
Molluscs (54)
Upper limit
†Pinnocaris (Genus) Etheridge, 1878
†Ribeiria (Genus) Sharpe, 1853
Entire range
†Actinoceras (Genus) Bronn, 1835
†Allopiloceras (Genus) Ulrich & Foerste, 1935
†Augustoceras (Genus) Flower, 1946
†Bathmoceras (Genus) Barrande, 1868
†Bucania (Genus) Hall, 1847
†Cameroceras (Genus) Conrad, 1842
†Cassinoceras (Genus) Ulrich & Foerste, 1935
†Cotteroceras (Genus) Ulrich & Foerste, 1935
†Curtoceras (Genus) Ulrich, Foerste, Miller & Flower, 1942
†Cyrtogomphoceras (Genus) Foerste, 1924
†Cyrtolites (Genus) Conrad, 1838
†Endoceras (Genus) Hall, 1847
†Gonioceras (Genus) Hall, 1847
†Gorbyoceras (Genus) Shimizu & Obata, 1935
†Lenaella (Genus) Byalyi, 1973, nom. illeg.
†Maclurites (Genus) Lesueur, 1818
†Murrayoceras (Genus) Foerste, 1926
†Nyuella (Genus) Rozov, 1975
†Piloceras (Genus) Salter, 1859
†Rhytiodentalium kentuckyensis Pojeta & Runnegar, 1979
†Richardsonoceras (Genus) Foerste, 1932
†Sinuites (Genus) Koken, 1896
†Westonoceras (Genus) Foerste, 1926
Lower limit
†Cyclonema (Genus) Hall, 1852
†Mimospira (Genus) Perner, 1925
Within limits
†Actinoceratoidea (Subclass) Teichert et al., 1964
Amphineura (Subphylum) see (Phylum) Mollusca Linnaeus, 1758
Archaeogastropoda (Order) Thiele, 1925 see (Order) Vetigastropoda Salvini-Plawen, 1980
†Bellerophontida (Order) Ulrich & Scofield, 1897 see (Superfamily) †Bellerophontoidea McCoy, 1852
Bivalvia (Class) Linnaeus, 1758 - bivalves
Cephalopoda (Class) Cuvier, 1795 - cephalopods
†Conocardioida (Order) Neumayr, 1891
†Cyrtonellida (Order) Horny, 1963
Cyrtosoma (Subphylum) Runnegar & Pojeta Jr., 1974 see (Phylum) Mollusca Linnaeus, 1758
Diasoma (Subphylum) Runnegar & Pojeta Jr., 1974 see (Phylum) Mollusca Linnaeus, 1758
†Endoceratoidea (Subclass) Teichert, 1933
Gastropoda (Class) Cuvier, 1795 - snails and slugs
†Hyolitha ([unranked]) see (Phylum) †Hyolitha (Marek, 1963)
†Hyolithida (Order) Matthew, 1899
Isofilibranchia (Subclass) Iredale, 1939 see (Superorder) Isofilibranchia Iredale, 1939
Mollusca (Phylum) Linnaeus, 1758 - molluscs
Murchisoniina (Suborder) Cox & Knight, 1960 see (Superfamily) †Murchisonioidea Koken, 1896
Nautiloidea (Subclass) Agassiz, 1848
Nautilus (Genus) Linnaeus, 1758
†Onychochilina (Suborder)
Palaeotaxodonta (Subclass) Korobkov, 1954 see (Subclass) Protobranchia Pelseneer, 1889
Pelecypoda (Class) Goldfuss, 1820 see (Class) Bivalvia Linnaeus, 1758
Pleurotomariina (Suborder) (Cox & Knight, 1960) see (Superfamily) Pleurotomarioidea Swainson, 1840
Prosobranchia (Subclass) Milne-Edwards, 1848 see (Class) Gastropoda Cuvier, 1795 - prosobranchs
†Ribeirioida (Order) Kobayashi, 1933
†Rostroconchia (Class) Pojeta et al., 1972
Tryblidiida (Order) Lemche, 1957 see (Order) Monoplacophorida Wenz, in Knight, 1952
Annelids (2)
Within limits
Annelida (Phylum) Lamarck, 1809 - segmented worms
Polychaeta (Class) Grube, 1850 - polychaetes
Sponges (51)
Upper limit
†Hintzespongiidae (Family) Finks, 1983
†Hintzespongioidea (Superfamily) Finks, 1983
†Leptomitidae (Family) de Laubenfels, 1955
Entire range
†Brachiospongia (Genus) Marsh, 1867
†Calycocoelia (Genus) Bassler, 1927
†Camellaspongia (Genus) Rigby & Bayer, 1971
†Dierespongia (Genus) Rigby & Gutschick, 1976
†Nevadocoelia (Genus) Bassler, 1927
†Streptosolenidae (Family) Johns, 1994
†Zittelella (Genus) Ulrich & Everett, 1889
Lower limit
Amphidiscosa (Order) Schrammen, 1924 see (Order) Amphidiscosida Schrammen, 1924
Amphidiscosida (Order) Schrammen, 1924
†Astylospongiidae (Family) Zittel, 1877
†Brachiospongiidae (Family) Beecher, 1889
†Chiastoclonellidae (Family) Rauff, 1895
†Cnemidiastridae (Family) Schrammen, 1924
†Dictyospongiidae (Family) Hall & Clarke, 1898
†Dictyospongioidea (Superfamily) Hall & Clarke, 1899
Hexasterophora (Subclass) Schulze, 1886
Lyssacinosa (Order) Zittel, 1877 see (Order) Lyssacinosida Zittel, 1877
Lyssacinosida (Order) Zittel, 1877
Sphaerocladina (Suborder) Schrammen, 1910
†Stromatopora (Genus) Goldfuss, 1826
Tetracladina (Suborder) Zittel, 1878
Within limits
Amphidiscophora (Subclass) Schulze, 1886
†Anthaspidellidae (Family) Miller, 1889
†Astraeospongiidae (Family) Miller, 1889
Calcarea (Class) Bowerbank, 1864 - calcareous sponges
Ceractinomorpha (Subclass) Lévi, 1953 see (Class) Demospongiae Sollas, 1885
†Choiidae (Family) de Laubenfels, 1955
Clionaidae (Family) d'Orbigny, 1851
Clionidae (Family) d'Orbigny, 1851, nom. illeg. see (Family) Clionaidae d'Orbigny, 1851
Demospongea (Class) Sollas, 1875 see (Class) Demospongiae Sollas, 1885
Demospongiae (Class) Sollas, 1885 - demosponges
†Dierespongioidea (Superfamily) Rigby & Gutschick 1976
Hadromerida (Order) Topsent, 1894
†Heteractinida (Order) Hinde, 1887 see (Class) †Heteractinida de Laubenfels, 1955
Hexactinellida (Class) Schmidt, 1870 - hexactinellids
Lithistida (Order) Schmidt, 1870 see (Subclass) Lithistida Schmidt, 1870 - lithistids
†Orchocladina (Suborder) Rauff, 1893 see (Order) †Orchocladina Rauff, 1895
†Piraniidae (Family) de Laubenfels, 1955
Porifera (Phylum) Grant, 1836 - sponges
†Protospongiidae (Family) Hinde, 1887
†Protospongioidea (Superfamily) Hinde, 1887
†Reticulosa (Order) Reid, 1958
Rhizomorina (Suborder) Zittel, 1895
Solenida (Order) de Laubenfels, 1955
†Sphinctozoa (Order) (Steinmann, 1882)
†Stromatoporoida (Order) see (Class) †Stromatoporoidea Nicholson & Murie, 1878
Tetractinomorpha (Subclass) Lévi, 1953 see (Class) Demospongiae Sollas, 1885
Verongida (Order) Bergquist, 1978
Invertebrates (191)
Upper limit
†Acrotheloidea (Superfamily) Walcott, 1908
†Billingsellacea (Superfamily) see (Superfamily) †Billingselloidea Schuchert, 1893
†Billingsellida (Order) Schuchert, 1893
†Billingsellidina (Suborder) Schuchert, 1893
†Billingselloidea (Superfamily) Schuchert, 1893
†Camaroidea (Order)
†Conchopeltida (Order)
†Paraconodontida (Class) Müller, 1962 see (Order) †Paraconodontida Müller, 1962
†Paterinata (Class) Williams et al, 1996
†Paterinida (Order) Rowell, 1965
†Paterinoidea (Superfamily) Schuchert, 1893
†Protomedusae (Class)
†Siphonotretida (Order) Gorjansky, 1960
†Siphonotretidae (Family) Kutorga, 1848
†Siphonotretoidea (Superfamily) Kutorga, 1848
†Stolonoidea (Order) Kozlowski, 1938
Entire range
†Adelograptus (Genus) Bulman, 1941
†Amplexograptus (Genus) Lapworth, 1907
†Anisograptus (Genus) Ruedmann, 1937
†Arthroclema (Genus) Billings, 1862
†Arthrostyloecia (Genus) Bassler, 1952
†Bactrotheca (Genus) Novák, 1891
†Camarella (Genus) Dall, 1877
†Cardiograptus (Genus) Harris, 1916
†Christiania (Genus) Hall & Clarke, 1892
†Christiania perrugata (Reed, 1945)
†Christiania perrugata multiridgia Harper, 2005
†Clistotrema (Genus) Rowell, 1963
†Clitambonitidina (Suborder) Opik, 1934
†Clitambonitoidea (Superfamily) Winchell & Schuchert, 1893
†Clonograptus (Genus) Hall & Nicholson, 1873
†Conotreta (Genus) Walcott, 1890
†Constellaria (Genus) Dana, 1846
†Conularia triangulata (Raymond)
†Crepipora (Genus) Ulrich, 1882
†Cryptograptus (Genus) Lapworth, 1880
†Cyclospira (Genus) Hall & Clarke, 1894
†Cyclospira girvanensis
†Cyclospira girvanensis aequabilis Harper, 2005
†Desmohydra (Genus) Kozlowski, 1959
†Diaphelasma (Genus)
†Dicellograptus (Genus) Hopkinson, 1871
†Dicellograptus complanatus Lapworth, 1880
†Dicellograptus complanatus ornatus
†Didymograptus (Genus) McCoy, 1851
†Didymograptus bifidus
†Didymograptus protobifidus
†Dilytes (Genus) Marek, 1974
†Dinorthis (Subgenus) Kobayashi, 1937
†Dinorthis (Genus) Kobayashi, 1937 see (Subgenus) †Dinorthis Kobayashi, 1937
†Diplograptus (Genus) McCoy, 1850
†Ephippelasma (Genus) Cooper, 1956
†Escharopora (Genus) Hall, 1847
†Eumorpholites (Genus) Marek, 1967
†Gacella (Genus) Williams, 1962
†Glossograptus (Genus) Emmons, 1855
†Glyptograptus euglyphus
†Glyptograptus teretiusculus
†Gompholites (Genus) Marek, 1966
†Goniograptus (Genus) McCoy, 1876
†Graptodictya (Genus) Ulrich, 1882
†Hemiphragma (Genus) Ulrich, 1893
†Hesperorthis (Genus) Schuchert & Cooper, 1931
†Heterotrypa (Genus) Nicholson, 1879
†Isograptus victoriae (Harris, 1933)
†Joachimilites (Genus) Marek, 1967
†Katastrophomena (Genus) Cocks, 1968
†Katastrophomena (Subgenus) Cocks, 1968
†Katastrophomena admiratio Harper, 2005
†Kiaeromena (Genus) Spjeldnaes, 1957
†Kiaeromena serrata Harper, 2005
†Leptaena (Genus) Dalman, 1828
†Leptaena (Subgenus) Dalman, 1828
†Leptaena beta Harper, 2005
†Leptellina (Genus) Ulrich & Cooper, 1936
†Multicostella (Genus) Schuchert & Cooper, 1931
†Nemagraptus (Genus) Emmons, 1855
†Nemagraptus gracilis (Hall, 1847)
†Nephrotheca (Genus) Marek, 1966
†Nubialba (Genus) Neuman, 1994
†Nubialba mccorryae Harper, 2005
†Oncograptus (Genus) Hall, 1914
†Onniella (Genus) Bancroft, 1928
†Origostrophia (Genus) Mitchell, 1972
†Origostrophia mitchelli Harper, 2005
†Orthidium (Genus) Hall & Clarke, 1892
†Orthidium gambolovensis Egerquist & Holmer, 2006
†Orthidium lavensis Egerquist & Holmer, 2006
†Orthograptus (Genus) Lapworth, 1873
†Orthograptus quadrimucronatus (Hall, 1865)
†Orthograptus truncatus
†Orthograptus truncatus intermedius (Elles)
†Palaeocarrickella (Genus) Harper, 2005
†Paraglossograptus (Genus) Hsü, 1959
†Paraglossograptus etheridgei (Harris, 1924)
†Parvohallopora (Genus) Singh, 1979
†Phyllograptus (Genus) Hall, 1858
†Polytoechioidea (Superfamily) Opik, 1934
†Pseudoclimacograptus (Genus) Pribyl, 1948
†Quadrotheca (Genus) Sysoev, 1957
†Ranorthis (Genus) Öpik, 1939
†Ranorthis rotunda Egerquist & Holmer, 2006
†Rhombotrypa (Genus) Ulrich & Bassler, 1904
†Rhysotreta (Genus) Cooper, 1956
†Rostricellula fulva Harper, 2005
†Schmidtites (Genus) Schuchert & Le Vene, 1929
†Scotokiaeromena (Subgenus) Harper, 2005
†Skenidioides (Genus) Schuchert & Cooper, 1931
†Skenidioides minutus Egerquist & Holmer, 2006
†Sowerbyella (Genus) Jones, 1928
†Spinilingula (Genus) Cooper, 1956
†Stictopora (Genus) Hall, 1847
†Strophomena (Genus) Rafinesque & De Blainville, 1824
†Tetragraptus (Genus) Salter, 1863
†Tetragraptus approximatus
†Tetragraptus fruiticosus
†Tetragraptus fruticosus
†Torynelasma (Genus) Cooper, 1956
†Tritoechia (Genus) Ulrich & Cooper, 1936
†Zygospira (Genus) Hall, 1862
Lower limit
†Climacograptus (Genus) (Hall, 1865)
†Conulariida (Order) Miller & Gurley, 1896
Craniidae (Family) Menke, 1828
Discinidae (Family) Gray, 1840
†Glyptograptus (Genus) Lapworth, 1873
†Glyptorthis (Genus) Foerste, 1912
†Graptoloidea (Order) Lapworth, 1875
Hemichordata (Phylum) Bateson, 1885 - hemichordates
†Platystrophia (Genus) King, 1850
†Rostricellula (Genus) Ulrich & Cooper, 1942
†Strophomenidina (Suborder) Opik, 1934
†Trimerellacea (Superfamily) Davidson & King, 1872 see (Superfamily) †Trimerelloidea Davidson & King, 1872
Within limits
Acrotretida (Order) Kuhn, 1949
†Acrotretoidea (Superfamily) Schuchert, 1893
Anthozoa (Class) Ehrenberg, 1831
Articulata (Class) Huxley, 1869
Brachiopoda (Phylum) Duméril, 1806 - brachiopods
Bryozoa (Phylum) Ehrenberg, 1831 - bryozoans
†Chileata (Class) Williams et al., 1996
Cnidaria (Phylum) Hatschek, 1888 - cnidarians
†Conodonta (Phylum) Eichenberg, 1930 see (Subclass) †Conodonta Eichenberg, 1930
†Conodontophorida (Class) Eichenberg, 1930 see (Order) †Conodontophorida Eichenberg, 1930
†Conulata (Class) Moore & Harrington, 1956
Craniata (Class) Williams, Carlson, Brunton, Holmer & Popov, 1996
Craniiformea (Subphylum) Popov, Bassett, Holmer & Laurie, 1993
†Craniopsida (Order) Gorjansky & Popov, 1985
†Craniopsidae (Family) Williams, 1963
†Craniopsoidea (Superfamily) Williams, 1963
Ctenophora (Phylum) Eschscholtz, 1829 - comb jellies
†Dalmanellidina (Suborder) Moore, 1952
†Dendroidea (Order) Nicholson, 1872
Ectoprocta (Phylum) Nitsche, 1869 see (Phylum) Bryozoa Ehrenberg, 1831 - ectoprocts
†Graptolithina (Class) Bronn, 1849
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
†Lobopodia (Phylum) Snodgrass, 1938 - lobopodians
Monoplacophora (Class) Odhner, 1940 - monoplacophorans
†Obolidae (Family) King, 1846
Octocorallia (Subclass) Haeckel, 1866 see (Subclass) Alcyonaria - octocorals
†Orthida (Order) Schuchert & Cooper, 1932
†Orthidina (Suborder) Schuchert & Cooper, 1932
†Orthoidea (Superfamily) Woodward, 1852
†Orthotheca (Genus) Novák, 1887
†Orthothecida (Order) Marek, 1966
†Pentamerida (Order) Schuchert & Cooper, 1931
†Plectorthoidea (Superfamily) Schuchert & Le Vene, 1929
Polyplacophora (Class) Blainville, 1816 - chitons
†Porambonitoidea (Superfamily) Davidson, 1853
†Procoelomata (Phylum) Bergström, 1989
†Protorthida (Order) Schuchert & Cooper, 1931
Pterobranchia (Class) Lankester, 1877 - pterobranchs
Pterobranchia (Phylum) Lankester, 1877 see (Class) Pterobranchia Lankester, 1877
Rhynchonellata (Class) Williams et al., 1996
Rhynchonelliformea (Subphylum) Williams et al., 1996
†Rostroconchia ([unranked]) Cox, 1960 see (Class) †Rostroconchia Pojeta et al., 1972
Scyphomedusae (Group) see (Subclass) Scyphomedusae Lankaster, 1877
Scyphozoa (Class) Goette, 1887 - jellyfish
†Strophomenata (Class) Williams et al, 1996
†Syntrophiidina (Suborder) Ulrich & Cooper, 1936
†Tabulata (Order) (Milne-Edwards & Haime, 1850)
Trachylinida (Order) see (Order) Trachylina Haeckel, 1879
†Tuboidea (Order) Kozlowski, 1938
Zoantharia (Subclass) de Blainville, 1830
Animals (2)
Within limits
Animalia (Kingdom) Linnaeus, 1758 - animals
Chordata (Phylum) Bateson, 1885 - chordates
Fungi (1)
Lower limit
Fungi (Kingdom) R.T.Moore (1980) - fungi
Algae (15)
Entire range
†Baltisphaeridium longispinosum (Eisenack, 1931)
†Leiofusa fusiformis (Eisenack, 1934)
†Leiosphaerdia baltica A. Eisenack (1958)
†Ovum hispidum subsp. fusiformis Eisenack (1934) see †Leiofusa fusiformis (Eisenack, 1934)
†Ovum hispidum var. longispinosum Eisenack (1931) see †Baltisphaeridium longispinosum (Eisenack, 1931)
Lower limit
†Baltisphaeridium (Genus) Eisenack, 1958 ex Eisenack, 1959
†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)
†Dorsennidium europaeum subsp. wenlockianum (Downie, 1959 ex Wall & Downie, 1963) Sarjeant & Stancliffe (1994)
†Leiofusa (Genus) Eisenack, 1938
Within limits
Prasinophyceae (Class) T. Christensen, 1962 ex Ø. Moestrup & J. Throndsen (1988) see ([unranked]) prasinophytes - prasinophytes
Protozoa (7)
Lower limit
†Fusulinids (Suborder) see (Order) †Fusulinida Fursenko, 1958
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
textularids (Suborder) see (Order) Textulariida Delage & Hérouard, 1896
Protists (16)
Entire range
†Clavachmna (Genus) Taugourdeau, 1966
†Cutichitina (Genus) Achab, Asselin & Soufiane, 1993
†Cutichitininae (Subfamily) Achab, Asselin & Soufiane, 1993
†Laufeldochitina (Genus) Paris, 1981
†Rhabdochitina (Genus) Eisenack, 1931
Lower limit
†Bursachitina (Genus) Taugourdeau, 1966
†Calpichitina (Genus) Wilson & Hedlund, 1964
†Conochitina (Genus) Eisenack, 1931
†Conochitininae (Subfamily) Eisenack, 1931
†Cyathochitina (Genus) Eisenack,1955
†Euconochitina (Genus) Taugourdeau, 1966
Spirotrichea (Class) Bütschli, 1889
†Tanuchitina (Genus) Jansonius, 1964
†Tanuchitininae (Subfamily) Paris, 1981
Within limits
Paleodictyon (Genus) Menghini, 1850
Polycystinea (Class) Ehrenberg, 1838 see (Superclass) Polycystinia Ehrenberg, 1838 - polycystines
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 (2)
Upper limit
†Archaeocopida (Order) Sylvester-Bradley, 1961 see ([unranked]) †Phosphatocopina Müller, 1964
Within limits
organisms ([unranked]) see (Clade) Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Geological regions (52)
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])
†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])
†Laurentia ([unranked])
Litchfield Complex ([unranked])
Luis Alves Massif ([unranked])
Madagascar Craton ([unranked])
Man Shield ([unranked])
Nanambu Complex ([unranked])
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 (4)
Within limits
†Iapetus Ocean ([unranked])
†Khanty Ocean ([unranked])
Napier Complex ([unranked]) (Antarctica)
†Proto-Tethys Ocean ([unranked])
Links
http://www.palaeos.com/Paleozoic/Ordovician/Ordovician.htm