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Morphological Attributes: Spines: spinose Microstructure: macroperforate Texture: cancellate irregular 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: 006.60 / Last occurence: 003.60 |
identified by scientist Neogene Miocene off Middle America DSDP Leg 84 FEU-1009615 |  |