Calciodinellum operosum
From dinoflaj2
*operosum Deflandre, 1947b, p.1781-1782, figs.1-6. Emendation: Montresor et al., 1997, p.123-124. Holotype: Deflandre, 1947b, figs.1-2. Taxonomic junior synonym: Thoracosphaera edwardsii, according to Fütterer (1978, p.718). Age: Late Miocene.
Parent: Calciodinellum