FIGURE 16. Acanthotheca junior (Runnegar and Jell, 1976) gen. nov. 1, CPC 40508. Arrow shows imprint of pegma or pegma-like structure. 2, 3, CPC 39722. Arrow in 2 shows location of 3. 4-6, CPC 40509. Arrow in 4 shows location of 5 and 6. 7, CPC 39719. 8, CPC 39733. 9, CPC 39724. Scale bars 1-2, 8, 100 µm; 3, 5 µm; 4, 200 µm; 5-7, 10 µm; 9, 100 µm.