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Morphological Attributes:
Spines: non-spinose Microstructure: finely perforate Texture: smooth Coiling: trochospiral Spire: low / Umbilical depth: neither deep nor shallow Chamberform on the umbilical side: triangular Keel: no keel / Lip: lip or rim / Tooth: no tooth First occurence: 006.50 / Last occurence: 004.50
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