FIG. 20. — Acuticassis gotica n. gen., n in Lower Tithonian mono- and dicyrtid Nassellaria (Radiolaria) from the Solnhofen area (southern Germany)

FIG. 20. — Acuticassis gotica n. gen., n. sp.; A, B, H, holotype, right lateral and basal views showing details of initial spicule respectively; C-G, I, paratypes; C, D, I, partly broken specimen, dorsal and basal views showing details of the initial spicule in dorsal view respectively; E, left lateral view; F, G, dorsal and basal views of same specimen. Scale bars: A-G, 30 µm; H, I, 10 µm.