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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, no tooth, no neck, no lip Sutures: --, --, -- Ornamentation: --, --, --, -- |
identified by scientist Paleogene Paleocene Danian North Africa El Kef FEU-1009265 |  | identified by scientist Paleogene Paleocene Western Canada and USA unknown FEU-1010843 |  | identified by scientist Paleogene Paleocene Caucasus Mountains unknown FEU-1010844 |  |