Plate 1. Scale bar for figs. 2-17 = 100 µm. Codes after sample description are slide description and England Finder coordinates, respectively. 14. Thyrsocyrtis (Thyrsocyrtis) rhizodon. Strongly dissolved skeleton partly enclosed in clay matrix. Sample 165-998B-23R-5, 45-47 cm, cs.2 L39/3.