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Morphological Attributes: Spines: non-spinose Microstructure: macroperforate Texture: muricate to pustulose Coiling: trochospiral Spire: low / Umbilical depth: deep Chamberform on the umbilical side: subspherical to trapezoid Keel: no keel / Lip: no lip or rim / Tooth: tooth First occurence: 075.91 / Last occurence: 066.3 |
type specimen holotype Cretaceous Upper Cretaceous Maastrichtian Weddell Sea Maud Rise FEU-1006636 |  | identified by scientist Cretaceous Upper Cretaceous Maastrichtian off Argentina ODP Leg 114 Sites 698 and 700 FEU-1009782 |  | identified by scientist Cretaceous Upper Cretaceous Maastrichtian off Argentina ODP Leg 114 Sites 698 and 700 FEU-1009783 |  |