ecofactbook
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species
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Animalia
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Mollusca
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Cephalopoda
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Pseudorthoceratidae
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Bradfordoceras
Dinocycloceras
Euloxoceras
Hebetorthoceras
Mitorthoceras
Mooreoceras
Neocycloceras
Reticycloceras
Spyroceras
Subdoloceras
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Bradfordoceras