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Morphological Attributes: Spines: non-spinose Microstructure: microperforate Texture: smooth Coiling: trochospiral Spire: neither high nor low / Umbilical depth: deep Chamberform on the umbilical side: spherical Keel: no keel / Lip: lip or rim / Tooth: no tooth First occurence: 026.93 / Last occurence: 000.00 |