FIGURE 1 in Taxonomic clarification of the dinophyte Peridinium acuminatum Ehrenb., Scrippsiella acuminata, comb. nov. (Thoracosphaeraceae, Peridiniales)

FIGURE 1. Ehrenberg's original material of Peridinium acuminatum (note slight deviations between the illustrations regarding cell shape and internal colouring). A. water-coloured drawing (sheet 938, deposited in the Museum for Natural History, Berlin), B. from which the type pl. II 5 (engraver: B. Wienker) in Ehrenberg (1836) as well as C. pl. XXII (engraver: C.E. Weber) in Ehrenberg (1838) was derived.