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Stratigraphic time - taxa

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Middle Ordovician

 
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genus Aberia Melou, 1990 (Ordovician)
species Aberia havliceki Melou, 1990 (Ordovician)
genus Acanthambonia Cooper, 1956 (Ordovician)
species Acanthambonia klabavensis Havlíček, 1982 (Floian - Dapingian)
species Acanthambonia minutissima Cooper, 1956 (Middle Ordovician)
genus Acanthocrania Williams, 1943 (Ordovician - Permian)
species Acanthodiacrodium constrictum Deunff 1954 (Floian - Dapingian)
genus Acanthoglypha Williams & Curry, 1985 (Ordovician)
species Acanthograptus havliceki J. Kraft, 1975 (Darriwilian)
genus Acanthorthis Neuman, 1976 (Ordovician)
genus Acanthotoechia Williams & Curry, 1985 (Ordovician)
genus Acculina Misius & Ushatinskaya, 1977 (Ordovician)
species Acrograptus crassus (Monsen, 1937) (Floian - Dapingian)
species Acrograptus infrequens J. Kraft, 1973 (Floian - Dapingian)
species Acrograptus lipoldi Bouček, 1973 (Darriwilian)
species Acrograptus nicholsoni (Lapworth, 1875) (Floian - Dapingian)
species Acrograptus strangulatus (Bouček, 1956) (Floian - Dapingian)
genus Acrosaccus Willard, 1928 (Ordovician - Silurian)
species Acrosaccus posteroconvexus (Cooper, 1956) (Darriwilian - Sandbian)
genus Acrotreta Kutorga, 1848 (Cambrian - Ordovician)
species Acrotreta foetida Mergl, 2002 (Floian - Dapingian)
species Acrotreta scabra Mergl, 2002 (Floian - Dapingian)
genus Actinomena Öpik, 1930 (Ordovician)
genus Adensu Popov & Rukavischnikova, 1986 (Ordovician)
species Aechmina ventadorni Vannier, 1986 (Darriwilian)
species Aegiromena natans Havlíček, 1996 (Darriwilian - Sandbian)
species Aggerscolex murchisoni Botting, Muir, Van Roy, Bates & Upton, 2012 (Darriwilian)
order Agnostida Salter, 1864 (Lower Cambrian - Upper Ordovician)
species Alichovia cometa Mergl, J. Kraft & P. Kraft, 2007 (Floian - Dapingian)
species Alichovia ramispinosa Gorjansky, 1969 (Middle Ordovician)
species Alococoncha crassatellaeformis (Tate, 1896) (Darriwilian)
kingdom Amoebozoa Lühe, 1913 emend. Cavalier-Smith, 1998 (Neoproterozoic - recent)
species Ampyx gongwusuensis Li, Li, Woo & Zhang, 2016 (Darriwilian)
species Ampyx linleyensis Whittard, 1955 (Darriwilian)
species Ampyxoides semicostatus (Billings, 1865) (Darriwilian)
species Anakrusa feistmanteli (Počta, 1898) (Floian - Dapingian)
species Ananterodonta oretanica Babin & Gutiérrez-Marco, 1985 (Darriwilian)
species Anatifopsis barrandei (Chauvel, 1941) (Darriwilian - Sandbian)
species Anatifopsis minuta (Chauvel, 1941) (Darriwilian)
species Anatolepis heintzi Bockelie & Fortey, 1976 (Floian - Darriwilian)
kingdom Animalia Linnaeus, 1758 - animals (Ediacaran - recent)
species Anisopleurella inaequistriata Cooper, 1956 (Middle Ordovician)
species Anisopleurella tricostellata Cooper, 1956 (Middle Ordovician)
family Anomalocarididae Raymond, 1935 (Lower Cambrian - Lower Devonian)
species Anthroosasterias huxleyi (Billings, 1865) (Darriwilian)
species Antispira lamellifera (Horný, 1964) (Darriwilian)
species Aparchites whiteavesi Jones, 1889 (Middle Ordovician)
subclass Arandaspida Ritchie & Gilbert-Tomlinson, 1977 (Lower Ordovician - Upper Ordovician)
species Arandaspis prionotolepis Ritchie & Gilbert-Tomlinson, 1977 (Middle Ordovician)
species Archaeoconularia consobrina (Barrande, 1855) (Darriwilian - Katian)
species Archaeoconularia distincta (Bouček, 1928) (Darriwilian - Sandbian)
species Archaeoconularia exquisita (Barrande, 1867) (Darriwilian - Katian)
species Archaeoconularia fecunda (Barrande, 1867) (Floian - Hirnantian)
species Archaeoconularia imperialis (Barrande, 1867) (Darriwilian - Katian)
species Archaeoconularia insignis (Barrande, 1867) (Tremadocian - Hirnantian)
species Archaeoconularia kettneri (Bouček, 1928) (Darriwilian - Hirnantian)
species Archaeoconularia munita (Barrande, 1867) (Floian - Katian)
species Archaeoconularia primula (Barrande, 1867) (Darriwilian - Sandbian)
species Archaeocrinus microbasalis (Billings, 1857) (Darriwilian)
species Archaeocystites medusa Barrande, 1887 (Darriwilian)
order Archaeostraca Claus, 1888 (Cambrian - Permian)
species Archaepyrgus anitae Guensburg & Sprinkle, 1994 (Dapingian)
species Archegocystis desiderata (Barrande, 1887) (Darriwilian)
species Archegonaster pentagonus Spencer, 1951 (Darriwilian)
species Archeolimulus hanusi Chlupáč, 1963 (Darriwilian - Sandbian)
species Areia fritschi Barrande, 1872 (Darriwilian - Sandbian)
species Areiaspis barrandei (Novák in Perner, 1918) (Darriwilian)
species Argodiscus rarus Plas & Prokop, 1979 (Darriwilian)
phylum Arthropoda Gravenhorst, 1843 - arthropods (Cambrian - recent)
species Asaphellus desideratus (Barrande, 1872) (Darriwilian)
species Asaphellus perneri Holub, 1911 (Floian - Dapingian)
order Asaphida Fortey & Chatterton, 1988 (Upper Cambrian - Upper Ordovician)
species Asaphus acuminatus Boeck, 1838 (Darriwilian)
species Asaphus expansus (Wahlenberg, 1818) (Darriwilian)
species Asaphus ingrianus Jaanusson, 1953 (Darriwilian)
species Asaphus knyrkoi Schmidt, 1901 (Darriwilian)
species Asaphus kowalewskii Lawrow, 1856 (Dapingian - Darriwilian)
species Asaphus laevissimus Schmidt, 1901 (Darriwilian)
species Asaphus lepidurus Nieszkowski, 1859 (Dapingian - Darriwilian)
species Asaphus punctatus Lesnikova, 1949 (Ordovician)
species Ascocystites cuneiformis Chauvel, 1941 (Darriwilian)
species Aspidaeglina miranda Holub, 1911 (Floian - Dapingian)
species Aspidocarpus discoidalis (Cripps, 1990) (Darriwilian)
species Asteroblastus foveolatus (Eichwald, 1860) (Darriwilian)
species Asteroblastus regularis Jaekel, 1918 (Darriwilian)
species Asteroblastus stellatus Eichwald, 1862 (Darriwilian)
species Asteroblastus sublaevis Jaekel, 1899 (Darriwilian)
species Asteroblastus volborthi (F. Schmidt, 1894) (Darriwilian)
species Asterocystis globulus Jaekel, 1918 (Ordovician)
species Asterocystis tuberculatus (Schmidt, 1874) (Darriwilian)
class Asteroidea De Blainville, 1830 (Lower Ordovician - recent)
subclass Astraspida Berg, 1940 (Middle Ordovician)
species Astraspis desiderata Walcott, 1892 (Middle Ordovician - Upper Ordovician)
species Ateleocystites huxleyi Billings, 1858 (Ordovician)
species Aulograptus cucullus (Bulman, 1932) (Darriwilian)
species Aulograptus feistmanteli Bouček, 1973 (Darriwilian)
species Auraeopirania pinwyddeni Botting, Stewart, Muir & Zhang, 2019 (Darriwilian)
species Auraeopirania plasi (Přibyl, 1947) (Darriwilian - Sandbian)
varietas Aureotesta clathrata var. clathrata Vavrdová 1972 (Middle Ordovician)
species Azygograptus ellesi Monsen, 1937 (Floian - Dapingian)
 
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