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Ordnung Übersicht for Cephalaspidea
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Main Ref.
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Ordnung
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Cephalaspidea
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Klasse
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Gastropoda
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Sister Order
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M years
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Ref.
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First Fossil Record
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Occurs in
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Seewasser
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Süsswasser
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Brackwasser
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Bemerkung
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Klasse etymology
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Ordnung etymology
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Familien
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