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Morphological Attributes: Wallmaterial: hyaline Overall appearance: elongate Coiling: biserial Chamberform: triangular to trapezoid Aperture Position: basal Aperture Form: round oval reniform, --, --, -- Sutures: depressed, curved, -- Ornamentation: --, --, spinose, -- |
 identified by scientist Quaternary Holocene recent Yellow Sea Bohai Sea |  identified by scientist Quaternary Holocene recent Fiji and off Challenger Station 174B |  identified by scientist Quaternary Holocene recent Banda, Timor and Arafura Sea Challenger Station 191A |  identified by scientist Quaternary Holocene recent Yellow Sea Bohai Sea |  identified by scientist Quaternary Holocene recent Yellow Sea Bohai Sea |
 identified by scientist Quaternary Holocene recent Yellow Sea Bohai Sea |  identified by scientist Quaternary Holocene recent |  identified by scientist Quaternary Pleistocene Tarantian Yellow Sea South Yellow Sea |  identified by scientist Quaternary Pleistocene Tarantian Yellow Sea South Yellow Sea |  identified by M. Hesemann Quaternary Holocene recent South China and Sulu Sea Core OR1-961-7-P |