FIGURE 15. Three-dimensional, rotating scatter plots of PCA-1 vs. PCA-2 vs. PCA-3 by genus. (1) Archimedes highlighted in large silver spheres, Rectifenestella (red), Laxifenestella (purple), Hemitrypa (pink), with other non-highlighted fenestrate genera in black. Rotation of axes is provided by Animation 8. (2) Cubifenestella highlighted in blue and Apertostella highlighted in green, with Rectifenestella in red and other genera in black. Rotation of axes is provided by Animation 9. (3) Scatter plot that includes Alternifenestella (gold), Minilya (pink), and Spinofenestella (blue). Rotation of axes is provided by Animation 10. (4) Scatter plot that includes Exfenestella (purple), Flexifenestella (pink), Anastomopora (tan), and Wjatkella (green). Rotation of axes is provided by Animation 11. All animations are accessible via the Animation Menu.