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Morphological Attributes: Wallmaterial: hyaline Overall appearance: Coiling: Chamberform: Aperture Position: Aperture Form: , , , Sutures: , , Ornamentation: , , , |
type specimen holotype Cretaceous Upper Cretaceous Mexico and Middle America unknown FEU-1007688 |  | identified by scientist Quaternary Holocene recent Coral Sea Challenger Station 185 FEU-1003639 |  | identified by scientist Quaternary Holocene recent Sea of Japan and around Challenger Station 232 FEU-1003640 |  | identified by scientist Quaternary Holocene recent Coral Sea Challenger Station 185 FEU-1003642 |  | identified by scientist Quaternary Holocene recent unknown FEU-1011225 |  |
identified by scientist Quaternary Holocene recent unknown FEU-1011226 |  |