Fig. 3 in On Papulifères, putative ciliate cysts of diverse morphologies, with new observations from the plankton of the Chukchi Sea (Arctic Ocean)

Fig. 3. The illustrations of the variety of forms, all described as Fusopsis, from Kufferath (1950) that he found in plankton samples from the southern North Sea and the English Channel (NW Europe). The original illustrations shown here as A to F appear in Kufferath's report, respectively, as 16, 17, 20, 18, 19, and 21.