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Morphological Attributes: Wallmaterial: hyaline Overall appearance: coiled spirally Coiling: trochospiral Chamberform: triangular to trapezoid Aperture Position: umbilical extraumbilical Aperture Form: arcuate lunear arch, --, --, lip Sutures: depressed, straight, -- Ornamentation: --, --, --, -- |
identified by scientist Quaternary Pleistocene Upper Pleistocene Yellow Sea South Yellow Sea FEU-1005326 |  | identified by scientist Quaternary Pleistocene Upper Pleistocene Yellow Sea South Yellow Sea FEU-1005327 |  |