Classification of Bergström 1968

Ph. Arthropoda Latreille 1829 [arthropod]
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Cl. Merostomata Dana 1852
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Subcl. Aglaspida Walcott 1911
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Fm. †Aglaspididae Miller 1877
Fm. †Strabopidae Gerhardt 1932
Invalid names: Paleomeridae Størmer 1955 [empty]
Subcl. †Eurypterida Burmeister 1843 [eurypterid]
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G. †Kodymirus Chlupáč and Havlicek 1965
Subcl. Xiphosura Latreille 1802
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Or. †Synziphosurida Packard 1886
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Subor. †Chasmataspidina Caster and Brooks 1956
Or. Xiphosurida Latreille 1802
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Fm. †Archeolimulidae Chlupáč 1963
G. †Drabovaspis Chlupáč 1963
Subor. Limulina Richter and Richter 1929
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Fm. †Eolimulidae Bergström 1968
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G. †Eolimulus Bergström 1968
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†Eolimulus alata Moberg 1892
Fm. †Pseudoniscidae Packard 1886
Fm. †Weinberginidae Richter 1929
Invalid names: Neolimulidae Packard 1886 [empty]
Subor. †Synziphosurina Packard 1886
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Fm. †Bunodidae Packard 1886
Fm. †Limuloididae Størmer 1952