The cell is athecate and very small. The cingulum, situated in the anterior part of the cell, is flat, and separates the small, cupola-shaped epicone from the hypocone which has convex margins but thins to form a sharp point at the antapex. The cell contains numerous small chloroplasts.

Marine.

Distribution: Atlantic Islands: Canary Islands (Gil-Rodríguez et al. 2003)

Dinoflagellatae (Peridineae). In: Kryptogamen-Flora 2. Aufl. X. Band, 3. Abt. 1 Teil., (Rabenhorst, L. Eds),, Schiller J., 1933, 433-617

Proctoctista. In: Lista de especies marinas de Canarias (algas, hongos, plantas y animales). (Moro, L., Martín, J.L., Garrido, M.J. & Izquierdo, I. Eds), Las Palmas: Consejería de Política Territorial y Medio Ambiente del Gobierno de Canarias., Gil-Rodríguez M.C., Haroun R., Ojeda Rodríguez A., Berecibar Zugasti E., Domínguez Santana P., Herrera Morán B., 2003, 5 - 30