FIG. 23. — A-D, J, Sanniopileus stultus n. gen., n in Lower Tithonian mono- and dicyrtid Nassellaria (Radiolaria) from the Solnhofen area (southern Germany)

FIG. 23. — A-D, J, Sanniopileus stultus n. gen., n. sp.; A, B, holotype, right lateral and apical views showing the absence of dorsal spine; C, D, J, paratypes; C, D, ventral and left lateral views; J, basal view of initial spicule showing the absence of dorsal spine; E-I, Sanniopileus stultisissimus n. gen., n. sp.; E, F, holotype, left lateral and basal views; G-I, paratypes; G, I, left lateral and basal views with details of the initial spicule; H, ventral view. Scale bars: A-H, 30 µm; I, J, 10 µm.