FIG. 7 in Lower Tithonian mono- and dicyrtid Nassellaria (Radiolaria) from the Solnhofen area (southern Germany)

FIG. 7. — Structure of the skeleton of Arachnoplecta architectonica n. gen., n. sp. Abbreviations: A, apical spine; ADl, left junction area among one planiform structure of the apical spine, one of the dorsal spine, and one of the left primary spine; ADr, right junction area among one planiform structure of the apical spine, one of the dorsal spine, and one of the right primary lateral spine; D, dorsal spine; Lr, right primary lateral spine; Ll, left primary lateral spine; MB, median bar; V, ventral spine.