Figure 6. 1-44. Endothyrida and Ozawainellida species. 1-3. Mediocris brevisculus (Ganelina), scale-bar = 0,1 mm; 1 - axial section, sample A78 (GIN 4777/27a); 2 – axial section, sample A72 (GIN 4777/28a); 3 – axial section, sample A114 (GIN 4777/29); 4. Mediocris mediocris (Vissarionova), scale bar = 0,1 mm; axial section, sample Z160 (GIN 4777/30a); 5-7. Eostaffella ovoidea Rauser-Chernousova, scale-bar = 0,1 mm; 5 – axial section, sample A78 (GIN 4777/27b); 6 – axial section, sample Z86 (GIN 4777/47a); 7 – axial section, sample Z98 (GIN 4777/48a); 8, 9. Novella primitiva (Dutkevich), scale-bar = 0,1 mm; 8 – axial section, sample A120 (GIN 4777/31a); 9 – axial section, sample A114 (GIN 4777/32a); 10, 17, 18. Seminovella nana (Kireeva), scale-bar = 0,1 mm; 10 – axial section, sample Z231 (GIN 4777/33a); 17 – axial section, sample A208 (GIN 4777/19b); 18 – axial section, sample Z231 (GIN 4777/34); 11, 40. Millerrella ex gr. marblensis Thompson, scale-bar = 0,1 mm; 11 – axial section, sample A108 (GIN 4777/35); 40 – axial section, sample Z183 (GIN 4777/74a); 12. Eostaffella ex gr. mutabilis Kireeva, scale-bar = 0,1 mm; axial section, sample A183 (GIN 4777/37a); 13-15, 35. Novella irregularis Kireeva, scale-bar = 0,1 mm; 13 – subaxial section, sample Z183 (GIN 4777/38); 14 – axial section, sample A118(GIN 4777/39a); 15 – axial section, sample A184 (GIN 4777/2b); 35 - axial section, sample A120 (GIN 4777/40); 16, 21, 22. Seminovella carbonica (Grozdilova and Lebedeva), scale-bar = 0,1 mm; 16 – axial section, sample Z219 (GIN 4777/3b); 21 – axial section, sample Z226 (GIN 4777/41); 22 – axial section, sample A120 (GIN 4777/42); 19, 20. Seminovella operta (Grozdilova and Lebedeva), scale-bar = 0,1 mm; 19 – axial section, sample A170 (GIN 4777/43); 20 – axial section, sample Z219 (GIN 4777/44); 23, 37. Millerella aff. paraumbilicata Manukalova-Grebenjuk, Iljina and Serezhnikova, scale-bar = 0,1 mm; 23 – axial section, sample A82 (GIN 4777/16a); 37 – axial section, sample Z160 (GIN 4777/30b); 24, 25. Millerella mixta (Rauser-Chernousova), scale-bar = 0,1 mm; 24 – axial section, sample Z162 (GIN 4777/46a); 25 – axial section, sample Z162 (GIN 4777/46b); 26. Millerella aff. excavata Conil and Lys, scale-bar = 0,1 mm; axial section, sample Z98 (GIN 4777/48b); 27, 28. Millerella pressa Thompson, scale-bar = 0,1 mm; 27 – axial section, sample A118 (GIN 4777/49); 28 – axial section, sample A89 (GIN 4777/50); 29. Eostaffella exilis (Grozdilova and Lebedeva), scale-bar = 0,1 mm; axial section, sample A127 (GIN 4777/51); 30. Millerella paraconica Manukalova-Grebenjuk, Iljina and Serezhnikova, scale-bar = 0,1 mm; subaxial section, sample A78 (GIN 4777/27c); 31-34, Eostaffella acuta Grozdilova and Lebedeva, scale-bar = 0,1 mm; 31 – axial section, sample A114 (GIN 4777/32b); 32 – axial section, sample A114 (GIN 4777/52); 33 – axial section, sample A120 (GIN 4777/ 53); 34 – axial section, sample A120, (GIN 4777/40); 36. Millerella (?) ex gr. conica Potievskaja, scale-bar = 0,1 mm; axial section, sample Z130 (GIN 4777/54); 38. Eostaffella ex gr. postmosquensis acutiformis Kireeva, scale-bar = 0,1 mm; axial section, sample A82 (GIN 4777/16b); 39. Eostaffella pseudostruvei elongatissima Manukalova-Grebenjuk, Iljina and Serezhnikova, scale-bar = 0,1 mm; axial section, sample A81(GIN 4777/48g); 41. Eostaffella parastruvei Rauser-Chernousova, scale-bar = 0,1 mm; tangential section, sample Z98 (GIN 4777/48c); 42-44. Eostaffella designata (D. Zeller), scale-bar = 0,1 mm; 42 – subaxial section, sample Z98 (GIN 4777/30c); 43 – axial section, sample Z160 (GIN 4777/30d); 44 – axial section, sample Z160 (GIN 4777/30e).