|
|
Morphological Attributes:
Spines: non-spinose Microstructure: macroperforate Texture: cancellate irregular Coiling: trochospiral Spire: low / Umbilical depth: neither deep nor shallow Chamberform on the umbilical side: subspherical to trapezoid Keel: no keel / Lip: lip or rim / Tooth: no tooth First occurence: 020.93 / Last occurence: 016.39
|