Neogene: Sphenolithus; Sphenolithus conicus
Paleogene: Sphenolithus conicus
Sphenolithus conicus Bukry, 1971
Description: Similar to S. moriformis but with a diminutive apical spine.
Remarks:
Original description:
Neogene: Sphenolithus; Sphenolithus conicus
Paleogene: Sphenolithus conicus