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Morphological Attributes: Wallmaterial: Overall appearance: Coiling: Chamberform: Aperture Position: Aperture Form: , , , Sutures: , , Ornamentation: , , , |
identified by scientist Cretaceous Lower Cretaceous Berriasian off West Australia ODP Leg 123 Site 765 FEU-1009010 |  | identified by scientist Jurassic Upper Jurassic Tithonian off West Australia ODP Leg 123 Site 765 FEU-1009009 |  |