Figure 6

Comparison of Porituberoolithus warnerensis and Stillatuberoolithus storrsi oogen. et oosp. nov. from the Kaiparowits Formation. P. warnerensis specimen numbers from the top-down: DMNH EPV.64663, UCM 1051, DMNH EPV.64663, UCM 1051. S. storrsi specimen numbers cited in previous figures.