Fig. 6 in Dasycladalean Fossil Green Algae From The Maastrichtian-Paleocene Of Balkh Province (N Afghanistan)

Fig. 6 Type of sections of Russoella radoiciciae (from Barattolo, 1987, modified). E, equatorial; A, axial; Tr, transversal; Oc, oblique centered; Onc, oblique not centered; Tes, tangential external symmetrical; Tis, tangential internal symmetrical; Tia, tangential internal asymmetrical.