Keywords: Peridinium ovatum cyst.png en Cyst of a dinoflagellate Peridinium ovatum cite book Morphologie und biologie der Algen Oltmanns Freidrich 1 1904 Jena Gustav Fischer Johann Friedrich Oltmanns 1860 “1945 “ original work Smith609 “ derivate work 1904 <gallery>Peridinium_ovatum_cyst_detail png</gallery> 1945 Peridinium Friedrich Oltmanns |