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Stratigraphic time - taxa

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Hirnantian

 
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genus Aberia Melou, 1990 (Ordovician)
species Aberia havliceki Melou, 1990 (Ordovician)
genus Acanthambonia Cooper, 1956 (Ordovician)
genus Acanthocrania Williams, 1943 (Ordovician - Permian)
genus Acanthoglypha Williams & Curry, 1985 (Ordovician)
genus Acanthorthis Neuman, 1976 (Ordovician)
genus Acanthotoechia Williams & Curry, 1985 (Ordovician)
genus Acculina Misius & Ushatinskaya, 1977 (Ordovician)
species Achatella taimyrica (Balashova, 1959) (Katian - Hirnantian)
genus Acrosaccus Willard, 1928 (Ordovician - Silurian)
species Acrosaccus shuleri Willard, 1928 (Upper Ordovician)
species Acrosaccus squamosus (Barrande, 1879) (Katian - Hirnantian)
genus Acrotreta Kutorga, 1848 (Cambrian - Ordovician)
genus Actinomena Öpik, 1930 (Ordovician)
species Actinomena rigida (Barrande, 1879) (Katian - Hirnantian)
species Actinopeltis carolialexandri Hawle & Corda, 1847 (Katian - Hirnantian)
species Actinopeltis insocialis (Barrande, 1852) (Katian - Hirnantian)
genus Adensu Popov & Rukavischnikova, 1986 (Ordovician)
species Aechmina meidlai Lajblová & Kraft, 2018 (Katian - Hirnantian)
species Aegiromena despecta Mikuláš, 1985 (Katian - Hirnantian)
species Aegironetes tristis (Barrande, 1879) (Katian - Hirnantian)
order Agnostida Salter, 1864 (Lower Cambrian - Upper Ordovician)
species Alceste latissima Hawle & Corda, 1847 (Katian - Hirnantian)
species Alceste rugosa Hammann, 1992 (Upper Ordovician)
species Alisocrinus tetrarmatus Brower, 1973 (Hirnantian)
species Ambonychia radiata Hall, 1847 (Upper Ordovician)
kingdom Amoebozoa Lühe, 1913 emend. Cavalier-Smith, 1998 (Neoproterozoic - recent)
species Amorphognathus lindstroemi (Serpagli, 1967) (Katian - Hirnantian)
species Amphilichas taimyricus (Balashova, 1959) (Katian - Hirnantian)
species Amphitryon radians (Barrande, 1846) (Katian - Hirnantian)
species Ampyxella borealica (Balashova, 1959) (Katian - Hirnantian)
species Ampyxina taimyrica Balashova, 1959 (Katian - Hirnantian)
species Anaspyroceras obscurum (Barrande, 1877) (Katian - Hirnantian)
species Anastrophina longior (Barrande in Perner, 1907) (Katian - Hirnantian)
species Anatifopsis bohemica Barrande, 1872 (Sandbian - Hirnantian)
species Ancyrochitina merga Jenkins, 1970 (Katian - Hirnantian)
species Angulospira striata Wängberg-Eriksson, 1979 (Upper Ordovician)
kingdom Animalia Linnaeus, 1758 - animals (Ediacaran - recent)
species Anisopleurella multiseptata (Williams, 1955) (Upper Ordovician)
species Anisopleurella ovalifera Havlíček, 1967 (Katian - Hirnantian)
family Anomalocarididae Raymond, 1935 (Lower Cambrian - Lower Devonian)
species Anomalocystites bohemicus Barrande, 1887 (Katian - Hirnantian)
species Anoptambonites carinatus (Holtedahl, 1916) (Katian - Hirnantian)
species Anoptambonites moneta (Barrande, 1879) (Katian - Hirnantian)
species Anoptambonites pirguensis Roomusoks, 1963 (Katian - Hirnantian)
species Anticostia teres (Perner, 1895) (Katian - Hirnantian)
species Antispira gracilis (Koken, 1897) (Upper Ordovician)
species Anx jejunoides Havlíček, 1980 (Katian - Hirnantian)
species Aonodiscus spinosus Le Menn in Chauvel & Le Menn, 1973 (Hirnantian)
species Apatobolus incongruus (Barrande, 1879) (Katian - Hirnantian)
subclass Arandaspida Ritchie & Gilbert-Tomlinson, 1977 (Lower Ordovician - Upper Ordovician)
species Archaeoconularia fecunda (Barrande, 1867) (Floian - Hirnantian)
species Archaeoconularia insignis (Barrande, 1867) (Tremadocian - Hirnantian)
species Archaeoconularia kettneri (Bouček, 1928) (Darriwilian - Hirnantian)
order Archaeostraca Claus, 1888 (Cambrian - Permian)
species Archinacellina modesta (Barrande in Perner, 1903) (Katian - Hirnantian)
species Areia bohemica Barrande, 1872 (Katian - Hirnantian)
species Armoricochitina nigerica (Bouché, 1965) (Katian - Hirnantian)
species Arthrophycus corrugatus (Fritsch, 1908) (Hirnantian)
phylum Arthropoda Gravenhorst, 1843 - arthropods (Cambrian - recent)
species Arthrorhachis tarda (Barrande, 1846) (Katian - Hirnantian)
order Asaphida Fortey & Chatterton, 1988 (Upper Cambrian - Upper Ordovician)
species Asaphus punctatus Lesnikova, 1949 (Ordovician)
species Astakocrinus teren Ausich & Copper, 2010 (Hirnantian)
species Asteriacites fallax (Fritsch, 1908) (Hirnantian)
species Asteriacites lumbricalis von Schlotheim, 1820 (Katian - Hirnantian)
species Asterocystis globulus Jaekel, 1918 (Ordovician)
class Asteroidea De Blainville, 1830 (Lower Ordovician - recent)
species Astraspis desiderata Walcott, 1892 (Middle Ordovician - Upper Ordovician)
species Ateleocystites huxleyi Billings, 1858 (Ordovician)
species Atrypa abscondita Barrande, 1879 (Katian - Hirnantian)
species Atrypa eremita Barrande, 1879 (Katian - Hirnantian)
species Atrypa inanis Barrande, 1879 (Katian - Hirnantian)
species Aviacypris avia Schallreuter, 1977 (Upper Ordovician)
species Aviculopecten quadrarius Barrande, 1881 (Katian - Hirnantian)
domain Bacteria (Haeckel, 1894) Woese, Kandler Wheelis, 1990 - bacterians (Archean - recent)
species Bactroceras interpolatum (Barrande, 1870) (Katian - Hirnantian)
species Bactroceras subventrum Lai, 1987 (Upper Ordovician)
species Bactrotheca aetherica Marek, 1989 (Katian - Hirnantian)
species Bactrotheca deleta Novák, 1891 (Katian - Hirnantian)
species Baltisphaeridium eisenackianum (Deunff, 1958) (Katian - Hirnantian)
species Baltonotella admirabilis Lajblová & Kraft, 2018 (Katian - Hirnantian)
species Baltonotella kuckersiana (Bonnema, 1909) (Upper Ordovician)
superfamily Bellerophontoidea Ulrich & Scofield, 1897 (Lower Cambrian - Lower Triassic)
species Beloitoceras pandion (Hall, 1861) (Upper Ordovician)
species Belonechitina cactacea (Eisenack, 1937) (Katian - Hirnantian)
species Beyrichia barbara Barrande, 1872 (Katian - Hirnantian)
divisio Bilateria Hatschek, 1888 - bilaterians (Ediacaran - recent)
species Birmanites kielanae (Pek & Prokop, 1990) (Katian - Hirnantian)
class Bivalvia Linnaeus, 1758 - bivalves (Cambrian - recent)
species Bodospira kallhooniensis Wängberg-Eriksson, 1979 (Upper Ordovician)
species Bodospira undulata Wängberg-Eriksson, 1979 (Upper Ordovician)
species Bojokoralaspis koral Šnajdr, 1984 (Sandbian - Hirnantian)
species Bojokoralaspis musca (Barrande, 1846) (Katian - Hirnantian)
species Bojokoralaspis peregrina (Barrande, 1872) (Katian - Hirnantian)
species Bojokoralaspis vondraceki (Šnajdr, 1987) (Hirnantian)
species Bothriocidaris eichwaldi Männil, 1962 (Upper Ordovician)
species Bothriocidaris globulus Eichwald, 1859 (Upper Ordovician)
species Bothriocidaris maquoketensis Kolata, Strimple & Levorson, 1977 (Katian - Hirnantian)
species Boticium boticum Havlíček & Mergl, 1982 (Katian - Hirnantian)
 
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Records 1 to 100 of 577  
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