Morphological Attributes: Spines: spinose Microstructure: macroperforate Texture: smooth Coiling: trochospiral elongate Spire: low / Umbilical depth: shallow Chamberform on the umbilical side: elongate Keel: no keel / Lip: lip or rim / Tooth: no tooth First occurence: 013.41 / Last occurence: 010.46 |
type specimen holotype Neogene California unknown FEU-1012281 | identified by scientist Neogene Miocene off West Africa ODP Leg 159 Sites 959 to 962 FEU-1009450 |