Plate 1. Scale bar for figs. 2-17 = 100 µm. Codes after sample description are slide description and England Finder coordinates, respectively. 13, 16, 17. Thyrsocyrtis (Pentalacorys) triacantha. Tests infilled with clay matrix and severely dissolved. Notice thinning of pore bars and distal appendages. Sample 165-998B-23R-5, 45-47 cm, cs.2 K19/4, K35/0, O9/4.