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Morphological Attributes: Wallmaterial: Overall appearance: Coiling: Chamberform: Aperture Position: Aperture Form: , , , Sutures: , , Ornamentation: , , , |
type specimen lectotype Quaternary Holocene recent central North Pacific Challenger Station 241 FEU-1003825 |  | identified by scientist Quaternary Holocene recent central North Pacific Challenger Station 241 FEU-1003188 |  | identified by scientist Quaternary Holocene recent off Argentina Challenger Station 323 FEU-1003189 |  | identified by scientist Quaternary Holocene recent central North Pacific Challenger Station 246 FEU-1003190 |  | identified by scientist Quaternary Holocene recent unknown FEU-1011060 |  |