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Morphological Attributes: Wallmaterial: hyaline Overall appearance: coiled spirally Coiling: trochospiral Chamberform: triangular to trapezoid Aperture Position: umbilical extraumbilical Aperture Form: slit, --, --, lip Sutures: depressed, curved, thickened Ornamentation: --, --, --, -- |
type specimen holotype Quaternary Holocene recent unknown FEU-1021634 |  | identified by scientist Quaternary Holocene recent Fiji and off Challenger Station 174C FEU-1005147 |  | identified by scientist Quaternary Holocene recent Micronesia + Philippine Basin Challenger Station 217A FEU-1005148 |  | identified by scientist Quaternary Holocene recent Banda, Timor and Arafura Sea Sahul Shelf and Timor Sea FEU-1021219 |  |