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Fossil collection records
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Classification of Fortey 1981
Fm. †
Cyclopygidae
Raymond 1925
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G. †
Prospectatrix
Fortey 1981
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†
Prospectatrix genatenta
Stubblefield and Bulman 1927
Superfm. †
Asaphacea
Burmeister 1843
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Invalid names: Dikelocephalinidae Kobayashi 1936 [empty]