PLATE 8 



Figure 



1. Spore C, Henshaw Formation, maceration 1122-A, slide 16 ZB; 64.9 by 63.3 /x; p. 44 



2. Spore D, Henshaw Formation, maceration 1122-Q, slide 2; 35.1 by 29.9 xx; p. 44. 



3. Spore E, Henshaw Formation, maceration 1122-Q, slide 9 ZB; 41.3 by 38.3 /x; p. 44. 



4. Spore F, Henshaw Formation, maceration 1122-A, slide 22 ZB; 59.4 by 59.0 i*; p. 44. 



5. Spore G, Henshaw Formation, maceration 1122-A, slide 16 ZB; 35.7 by 33.4 /x; p. 44. 



6. Spore H, Fithian Cyclothem, maceration 1170-A, slide 10; 55.1 by 49.0 it; p. 45. 



7. Spore I, Trivoli Cyclothem, maceration 1175-J, slide 10; 52.0 by 38.7 xx; p. 45. 



8. Spore J, Henshaw Formation, maceration 1122-A, slide 5 ZB; 48.0 by 42.5 xx; p. 45. 



9. Spore K, Henshaw Formation, maceration 1122-Q, slide 4 ZB; 35.1 by 29.2 /x; p. 45. 



10. Spore L, Henshaw Formation, maceration 1122-A, slide 5 ZB; 49.0 by 44.1 /x; p. 45. 



11. Spore M, Trivoli Cyclothem, maceration 1128-G, slide 15; 33.7 by 32.4 xx; p. 45. 



12. Spore N, Trivoli Cyclothem, maceration 1175-C, slide 25; 65.2 by 53.0 xx; p. 46. 



13. Hystrichosphere 1, Trivoli Cyclothem, maceration 1128-J, slide 16; body 25.6 by 

 24.0 /x; p. 46. 



14. Hystrichosphere 2, Trivoli Cyclothem, maceration 1128-J, slide 4; body 37.9 by 

 30.5 /x; p. 46. 



15. Hystrichosphere 3, Trivoli Cyclothem, maceration 1128-J, slide 5; body 34.0 by 

 29.5 /x; p. 47. 



16. Scolecodont 1, Fithian Cyclothem, maceration 1170-G, slide 19; 69.7 xx long; p. 47. 



17. Centonites symmetricus sp. nov., holotype, Trivoli Cyclothem, maceration 1175-E, 

 slide 4; 69.7 by 66.7 xx; p. 47. 



18. Centonites symmetricus sp. nov., paratype, Henshaw Formation, maceration 1122-A, 

 slide 41 ZB; 122.5 by 101.1 /x; p. 47. 



19. Centonites symmetricus sp. nov., paratype, Trivoli Cyclothem, maceration 1175-C, 

 slide 17; 57.7 by 48.9 xx; p: 47. 



