Nannotax Enabling nannofossil research

Description: Dart-shaped, apical spine well-developed. Lateral elements much smaller than proximal elements.

Remarks: This species has a well developed monolithic spine with straight extinction. It can be distinguished from other species of this type by the nature of its base. This has a tall well-developed proximal cycle, but only diminutive lateral elements, overall the base is distinctly elongate, and merges smoothly into the spine.

Size: Length 4-8 microns, width 2-4 microns.

Range: NN3.