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Fossil collection records
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Classification of the class Cyclozoa
Cl. †
Cyclozoa
Fedonkin 1985
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G. †
Hallidaya
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†
Hallidaya brueri
Wade 1969
G. †
Planomedusites
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†
Planomedusites grandis
Sokolov 1972
G. †
Sekwia
Hofmann 1981