Plate 13
From: The planktonic foraminifera of the Jurassic. Part I: material and taxonomy
Globuligerina oxfordiana (Grigelis) from Gnaszyn 6 sample, Częstochowa area, Poland, Middle Bathonian. Note micro perforation and pustules with pore mounds. Nos. 1, 4, 7 spiral view; nos, 2, 3, 5 side view; nos. 6, 8 umbilical view; no. 9 umbilical view with large bulla; the scale bar is 50 µm