Morphological Attributes: Spines: spinose Microstructure: macroperforate Texture: smooth Coiling: trochospiral Spire: low / Umbilical depth: neither deep nor shallow Chamberform on the umbilical side: subspherical to trapezoid Keel: no keel / Lip: lip or rim / Tooth: no tooth First occurence: 017.26 / Last occurence: 003.14 |