FIGURE 2—SRXTM images of holotype of Silvianthemum suecicum (S100376) from the Late Cretaceous Åsen locality, Sweden; dataset acquired using a 103 objective and 20 lm thick LAG:Ce scintillator (voxel size 0.74) at 10 keV; specimen charcoalified and mounted obliquely on SEM stub. 1, 2, 2-D dark and flat field corrected radiographic projections for two different sample orientations; 3, 2-D orthoslice of flower bud in longitudinal view through one style, sample not re-oriented; 4, 5, 3-D surface rendering showing external morphology of flower bud in apical and lateral views, respectively; 6, electronically re-oriented longitudinal section through center of flower bud in 3-D cut voltex (transparent rendering between orthoslices 740–780). Scale bars¼500 lm.
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