These forms resemble Ceratolithus cristatus but are more angular and have different crystallographic orientation (c-axis parallel to length in ascidian spicules vs perpendicular to length in C. cristatus)
Size: 12-15µm long (Bukry 1973)
Last occurrence (top): Extant Data source: JRY unpubl. obs.
First occurrence (base): within Late Miocene Sub-Epoch (5.33-11.62Ma, base in Tortonian stage). Data source: Original description
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