<i>Stomiosphaerina bakae</i> sp. nov.

in transversal sections. A–paratype 2—repository number: Dub 17-5-P2, specimen number 5 in Table 1. A1 –circular shape of a cyst with well-preserved thin inner (green arrow) and thicker outer (yellow arrow) layers. Note the equal thickness of the inner layer. A2 –dark cross (red arrows) is clearly visible. B–specimen number 6 in Table 1. B1 –small cyst with hardy recognizable inner layer. B2 –note the dark cross (red arrows). C,D–specimens number 7 and 8, respectively in Table 1, showing a circular shape of a cyst with well visible, thick inner layer and hardly recognizable outer layer from the surrounding material. Sample Dub 17. Thin section. A1,B1,C,D–plain-polarized light; A2,B2 –crossed-polarized light.