ecofactbook
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species
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Animalia
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Mollusca
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Monoplacophora
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Hypseloconidae
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Shelbyoceras
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Shelbyoceras barnesi
Shelbyoceras bessemerense
Shelbyoceras bigpineyensis
Shelbyoceras buttsi
Shelbyoceras ellinwoodi
Shelbyoceras robustum
Shelbyoceras unguliforme
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