Morphological Attributes: Spines: spinose Microstructure: macroperforate Texture: bulloides-type Coiling: trochospiral Spire: low / Umbilical depth: deep Chamberform on the umbilical side: spherical Keel: no keel / Lip: lip or rim / Tooth: no tooth First occurence: 003.00 / Last occurence: 000.12 |
identified by scientist Neogene Pliocene off California and Mexico DSDP Leg 63 FEU-1009611 |