FIG. 8. — Arachnoplecta architectonica n. gen., n in Lower Tithonian mono- and dicyrtid Nassellaria (Radiolaria) from the Solnhofen area (southern Germany)

FIG. 8. — Arachnoplecta architectonica n. gen., n. sp., holotype; A, basal view (dorsal spine is directed towards the base of the figure and ventral spine towards the upper part); B, dorsal view (apical spine is directed towards the upper part of the figure); C, detail of A showing the median bar, the two primary lateral spines, and the ventral spine; D, detail of the left primary lateral spine with bars aligned to the central rod. Scale bars: A, B, 100 µm; C, D, 30 µm.