Plate P1. Chiastozygaceae. Images with black background are cross-polarized light images; those with light backgrounds are phase contrast images. 1–3. Chiastozygus litterarius (Sample 198-1213B-1R-1, 42 cm). 4–10. Chiastozygus platyrhethus; (4) Sample 198-1213A-19R-CC, (5) Sample 198-1207B-35R-CC, (6) Sample 198-1207B-23R-CC, (7–10) Sample 198-1214A-2R-CC. 11, 12. Chiastozygus sp. (Sample 198-1207B-36R-CC). 13, 14. Diadorhombus rectus (Sample 198-1213B-22R-1, 38 cm). 15. Loxolithus armilla (Sample 198-1214A-25R-1, 12 cm). 16. Staurolithites gausorhethium (Sample 198-1207B-43R-CC). 17, 18. Staurolithites glaber (Sample 198-1207B-25R-CC). 19. Staurolithites mutterlosei (Sample 198-1207B-37R-CC). 20–24. Staurolithites siesseri; (20) Sample 198-1207B-45R-CC), (21–24) Sample 198-1214A-22R-1, 32 cm. 25–30. Staurolithites sp.; (25) Sample 198-1213B-25R-1, 26 cm, (26) Sample 198-1213B-14R-1, 12 cm, (27, 28) Sample 198-1213B-1R-1, 42 cm, (29, 30) Sample 198-1213B-26R-1, 15 cm. 31. Tranolithus gabalus (Sample 198-1213B-5R-1, 2 cm). 32. ?Tranolithus incus (Sample 198-1213B-22R-1, 58 cm). 33. Tranolithus orionatus (Sample 198-1214A-6R-1, 4 cm). 34–42. Zeugrhabdotus clarus; (34) holotype (Sample 198-1207B-29R-CC) (35, 36) Sample 198-1207B-29R-CC, (37–39) Sample 198-1207B-35R-CC, (40) Sample 198-1214A-18R-1, 30 cm, (41, 42) Sample 198-1207B-30R-CC.

Plate P1. Chiastozygaceae. Images with black background are cross-polarized light images; those with light backgrounds are phase contrast images. 1–3. Chiastozygus litterarius (Sample 198-1213B-1R-1, 42 cm). 4–10. Chiastozygus platyrhethus; (4) Sample 198-1213A-19R-CC, (5) Sample 198-1207B-35R-CC, (6) Sample 198-1207B-23R-CC, (7–10) Sample 198-1214A-2R-CC. 11, 12. Chiastozygus sp. (Sample 198-1207B-36R-CC). 13, 14. Diadorhombus rectus (Sample 198-1213B-22R-1, 38 cm). 15. Loxolithus armilla (Sample 198-1214A-25R-1, 12 cm). 16. Staurolithites gausorhethium (Sample 198-1207B-43R-CC). 17, 18. Staurolithites glaber (Sample 198-1207B-25R-CC). 19. Staurolithites mutterlosei (Sample 198-1207B-37R-CC). 20–24. Staurolithites siesseri; (20) Sample 198-1207B-45R-CC), (21–24) Sample 198-1214A-22R-1, 32 cm. 25–30. Staurolithites sp.; (25) Sample 198-1213B-25R-1, 26 cm, (26) Sample 198-1213B-14R-1, 12 cm, (27, 28) Sample 198-1213B-1R-1, 42 cm, (29, 30) Sample 198-1213B-26R-1, 15 cm. 31. Tranolithus gabalus (Sample 198-1213B-5R-1, 2 cm). 32. ?Tranolithus incus (Sample 198-1213B-22R-1, 58 cm). 33. Tranolithus orionatus (Sample 198-1214A-6R-1, 4 cm). 34–42. Zeugrhabdotus clarus; (34) holotype (Sample 198-1207B-29R-CC) (35, 36) Sample 198-1207B-29R-CC, (37–39) Sample 198-1207B-35R-CC, (40) Sample 198-1214A-18R-1, 30 cm, (41, 42) Sample 198-1207B-30R-CC.