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Morphological Attributes: Wallmaterial: hyaline Overall appearance: elongate Coiling: triserial Chamberform: triangular to trapezoid Aperture Position: areal Aperture Form: arcuate lunear arch, --, --, -- Sutures: depressed, curved, -- Ornamentation: --, --, --, -- |
type specimen holotype Paleogene Paleocene Danian Weddell Sea Seymour Island FEU-1006651 |  |