Morphological Attributes: Spines: non-spinose Microstructure: macroperforate Texture: cancellate irregular Coiling: trochospiral Spire: neither high nor 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: 017.54 / Last occurence: 010.46 |