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Morphological Attributes: Wallmaterial: hyaline Overall appearance: elongate Coiling: biserial Chamberform: triangular to trapezoid Aperture Position: terminal Aperture Form: arcuate lunear arch, --, --, lip Sutures: depressed, straight, -- Ornamentation: --, reticulate, spinose, -- |
type specimen holotype Quaternary Holocene recent unknown FEU-1022492 |  | identified by scientist Quaternary Holocene recent Celtic Seas Porcupine Station 18 FEU-1003453 |  | identified by scientist Quaternary Holocene recent unknown FEU-1011150 |  | identified by scientist Quaternary Pleistocene Upper Pleistocene Yellow Sea South Yellow Sea FEU-1005298 |  | identified by scientist Quaternary Pleistocene Upper Pleistocene Yellow Sea South Yellow Sea FEU-1005299 |  |
identified by M. Hesemann Quaternary Holocene recent Arabian Sea off Karachi FEU-1004256 |  | identified by M. Hesemann Quaternary Holocene recent Caribbean Sea and Bahamas West Florida Shelf FEU-1025229 |  |