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Morphological Attributes: Spines: spinose Microstructure: macroperforate Texture: cancellate irregular Coiling: trochospiral Spire: low / Umbilical depth: deep Chamberform on the umbilical side: spherical Keel: no keel / Lip: lip or rim / Tooth: no tooth First occurence: 003.35 / Last occurence: 000.00 |