Janofske and Karwath, 2000
From dinoflaj3
Janofske, D. and Karwath, B., 2000: Oceanic calcareous dinoflagellates of the equatorial Atlantic Ocean: cyst-theca relationship, taxonomy and aspects on ecology. In: Karwath, B. Ecological studies on living and fossil calcareous dinoflagellates on the equatorial and tropical Atlantic Ocean; Berichte aus dem Fachbereich Geowissenschaften der Universität Bremen, no.152, p.94-136, pl.1-4.