Classification of the class Pteraspidomorpha

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Subcl. †Astraspida Berg 1940
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Or. †Astrapidiformes Berg 1940
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Fm. †Astraspididae Eastman 1917
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G. †Astraspis Walcott 1892
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Astraspis desiderata Walcott 1892
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Invalid names: Astraspis splendens Orvig 1958 [synonym]
Or. †Astraspidiformes Berg 1940
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Fm. †Eriptychiidae Tarlo 1962
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G. †Eleochera Sansom and Smith 2005
G. †Eriptychius Walcott 1892
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Eriptychius americanus Walcott 1892
Fm. †Oniscolepididae Marss and Karatajue-Talimaa 2009
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G. †Oniscolepis Pander 1856
Fm. †Tesakoviaspididae Karatajute-Talimaa and Smith 2004
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G. †Tesakoviaspis Karatajute-Talimaa and Meredith Smith 2004
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Tesakoviaspis concentrica Karatajute-Talimaa and Meredith Smith 2004
Subcl. †Heterostraci Lankester 1868
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Or. †Amphiaspidiformes Novitskaya 2008
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G. †Putoranaspis Obruchev 1964
G. †Anatolepis Brockelie and Fortey 1976
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Anatolepis heintzi Brockelie and Fortey 1976
G. †Aporemaspis Elliot and Loeffler 1989
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Aporemaspis pholidata Elliot and Loeffler 1989
Fm. †Ariaspididae Elliott and Swift 2010
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G. †Ariaspis Denison 1963
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Ariaspis arctata Elliott and Swift 2010
Ariaspis ornata Denison 1963
Fm. †Cardipeltidae Bryant 1933
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G. †Cardipeltis Branson and Mehl 1931
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Cardipeltis bryanti Denison 1966
Cardipeltis richardsoni Denison 1966
Cardipeltis wallacii Branson and Mehl 1931
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Invalid names: Cardipeltis oblongus Bryant 1933 [synonym], Cardipeltis sinclairi Bryant 1933 [synonym]
Fm. †Ceraspidae
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G. †Ceraspis Schlüter 1887
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Ceraspis carinata Schlüter 1887
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Fm. †Corvaspididae Dineley 1953
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G. †Corvaspis Woodward 1934
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Corvaspis arctica Loeffler and Dineley 1976
Or. †Cyathaspidida Kaier 1930
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G. †Homalaspidella Strand 1934
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Homalaspidella borealis Denison 1963
G. †Irregulareaspis Zych 1931
Or. †Cyathaspidiformes Kaier 1930
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Subor. †Cyathaspidoidei
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Fm. †Americaspidae Fowler 1947
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G. †Americaspis White and Moy-Thomas 1941
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Americaspis americana Claypole 1884
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Invalid names: Palaeaspis bitruncata Claypole 1884 [synonym]
Invalid names: Palaeaspis Claypole 1884 [replaced]
Fm. †Anglaspidae Kiaer 1932
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G. †Anglaspis
Fm. †Ctenaspididae Kiaer 1930
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G. †Ctenaspis
Fm. †Cyathaspididae Flower and Wayland-Smith 1952
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Cyathaspis acadica Matthew 1886
Cyathaspis banksi Huxley and Salter 1856
Cyathaspis barroisi Leriche 1906
Cyathaspis macculloughi Woodward 1891
G. †Dikenaspis Denison 1963
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Dikenaspis yukonensis Denison 1963
G. †Ptomaspis Denison 1963
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Ptomaspis canadensis Denison 1963
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Vernonaspis bamberi Denison 1963
Vernonaspis major Denison 1963
Fm. †Dictyaspidellidae Fowler 1947
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G. †Dictyaspidella Strand 1934
Fm. †Dictyonaspidae Berg 1940
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G. †Dictyaspis Kiaer 1932
Fm. †Dinaspidae Kiaer 1932
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G. †Dinaspis Kiaer 1932
Fm. †Dinaspidellidae Strand 1934
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Fm. †Diplaspididae Kiaer 1932
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G. †Diplaspis Matthew 1887
Fm. †Poraspididae Kiar 1932
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G. †Poraspis Kiaer 1930
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Poraspis brevis Kiaer and Heintz 1935
Poraspis cylindrica Kiaer and Heintz 1935
Poraspis elongatus Kiaer and Heintz 1935
Poraspis intermedia Kiaer and Heintz 1935
Poraspis magna Kiaer and Heintz 1935
Poraspis polaris Kiaer 1930
Poraspis rostrata Kiaer and Heintz 1935
Poraspis sericea Lankester 1873
Poraspis subtilis Kiaer and Heintz 1935
Fm. †Torpedaspididae Halstead 1993
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Subfm. †Boothiaspidinae Elliot 2016
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G. †Boothiaspis Broad 1973
G. †Torpedaspis Broad and Dineley 1973
Invalid names: Irregularaspidae Kiaer and Heinz 1935 [empty], Palaeaspidae Kiaer 1932 [empty]
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Fm. †Eglonaspididae Tarlo 1962
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Fm. †Hibernaspididae Obruchev 1939
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G. †Hibernaspis Obruchev 1939
Invalid names: Aphataspididae Novitskaya 1971 [empty]
Or. †Pteraspidiformes Berg 1940
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Fm. †Protopteraspididae Novitskaya 1983
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G. †Canadapteraspis Dineley and Loeffler 1976
G. †Doryaspis White 1935
G. †Miltaspis Blieck 1981
G. †Protopteraspis Leriche 1924
G. †Stegobranchiaspis Elliott 1983
G. †Unarkaspis Elliott 1983
Fm. †Pteraspididae Claypole 1885
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G. †Althaspis Zych 1931
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Althaspis leachi White 1938
G. †Archaeoteuthis Roemer 1855
G. †Blieckaspis Elliott and Ilyes 1996
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Blieckaspis priscillae Elliott and Ilyes 1996
G. †Brachipteraspis Brotzen 1936
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Brachipteraspis latissima Zych in Pauca 1938
G. †Chiastolepis Eichwald 1844
G. †Cosmaspis Denison 1970
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Cosmaspis transversa Denison 1970
G. †Cyrtaspis Bryant 1932
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Cyrtaspis falcatus Bryant 1933
Cyrtaspis ovatus Bryant 1932
Cyrtaspis papillatus Bryant 1933
Cyrtaspis sculptus Bryant 1933
G. †Errivaspis Blieck 1984
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Errivaspis waynensis Blieck 1984
G. †Europrotaspis White 1961
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G. †Gigantaspis Heintz 1962
G. †Glossoidaspis Branson and Mehl 1931
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Glossoidaspis giganteus Branson and Mehl 1931
G. †Holaspis Lankester 1873
G. †Larnovaspis Blieck 1984
G. †Loricopteraspis Halstead Tarlo 1961
G. †Mylopteraspidella Blieck 1984
G. †Mylopteraspis Stensiu 1958
G. †Palaeoteuthis Roemer 1855
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Palaeoteuthis marginalis Eichwald 1871
G. †Panamintaspis Elliott and Ilyes 1996
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Panamintaspis snowi Elliott and Ilyes 1996
G. †Parapteraspis Stensiu 1958
G. †Pholidosteus Jaeckel 1907
G. †Podolaspis Zych 1931
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Podolaspis lerichei Zych 1927
Subfm. †Pteraspidinae Claypole 1885
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G. †Lampraspis Denison 1970
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Lampraspis tuberculata Denison 1970
G. †Pteraspis Kner 1847
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Pteraspis crouchi Lankester 1865
Pteraspis dunensis Roemer 1854
Pteraspis rostrata Agassiz 1835
G. †Rhinopteraspis Jaekel 1919
G. †Scaphaspis Lankester 1865
G. †Sphagodus Agassiz 1839
G. †Zascinaspis Stensiu 1958
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Fm. †Siberiaspididae Novitskaya 1968
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Fm. †Tuxeraspididae Novitskaya 1968
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G. †Tuxeraspis Novitskaya 1971
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Or. †Lepidaspidiformes Halstead 1993
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Fm. †Lepidaspididae Halstead 1993
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G. †Lepidaspis Dineley and Loeffler 1976
Fm. †Protaspidae Bryant 1933
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G. †Protaspis Bryant 1933
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Subg. †Protaspis (Protaspis) Bryant 1933
Protaspis amplus Bryant 1933
Protaspis brevirostris Bryant 1933
Protaspis bucheri Bryant 1932
Protaspis cingulus Bryant 1933
Protaspis constrictus Bryant 1933
Protaspis dorfi Bryant 1932
Protaspis nanus Bryant 1933
Protaspis perlatus Bryant 1933
Protaspis perryi Bryant 1933
G. †Psammolepis Agassiz 1843
Or. †Psammosteiformes Berg 1937
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Fm. †Psammosteidae Traquair 1896
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G. †Acanthaspis Newberry 1875
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Acanthaspis arctica Heintz 1929
G. †Dyptychosteus Preobrazhenskii 1910
G. †Oredezhosteus Moloshnikov 2009
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Oredezhosteus kuleshovi Moloshnikov 2009
Oredezhosteus livonicus Obruchev and Mark-Kurik 1965
G. †Placosteus Agassiz 1843
G. †Psammosteus Agassiz 1844
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Psammosteus arenatus Agassiz 1845
Psammosteus granulatus M'Coy 1848
Psammosteus maeandrinus Agassiz 1845
Psammosteus paradoxus Agassiz 1845
Psammosteus praecursor Obruchev 1947
G. †Pycnosteus Preobrajenski 1911
Fm. †Pycnosteidae Tarlo 1962
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G. †Tartuosteus Obruchev 1961
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Tartuosteus zheleznogorskensis Moloshnikov 2007
Invalid names: Rohonosteus Tarlo 1962 [synonym]
G. †Strosipherus Pander 1856
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Fm. †Natlaspididae Halstead 1993
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G. †Natlaspis Dineley and Loeffler 1976
Fm. †Tesseraspididae Berg 1955
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G. †Tesseraspis Wills 1936
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Tesseraspis mosaica Karatajuta-Talimaa 1983
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G. †Dasylepis Pander 1856
G. †Dictyolepis Pander 1856
G. †Gomphodus Pander 1856
G. †Lanarkia
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Lanarkia horrida Traquair 1898
Lanarkia lanceolata Marss and Ritchie 1998
G. †Melittomalepis Pander 1856
G. †Nostolepis Pander 1856
G. †Pachylepis Pander 1856
G. †Prionacanthus Pander 1856
G. †Schediosteus Pander 1856
G. †Spirodus Kade 1858
G. †Thelolepis Pander 1856
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Fm. †Tolypaspidae Kiaer 1932
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G. †Tolypaspis Schmidt 1893
Fm. †Tolypelepididae Strand 1934
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Or. †Traquairaspidiformes Stensio 1958
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G. †Phialaspis Wills 1935
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Invalid names: Traquairaspis Gross 1961 [replaced]
Fm. †Weigeltaspidae Berg 1940
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G. †Weigeltaspis Brotzen 1933
Invalid names: Phialaspididae White 1946 [empty], Traquairaspididae [empty]
Invalid names: Cardipeltiformes Bryant 1933 [empty], Olbiaspidida Obruchev 1964 [empty], Traquairaspidida Stensio 1958 [empty]