Plate 8

Plate 8

All figures x750 unless stated otherwise.

Figs. 1-2. cf. Stellatispora inframurinata var. cambrensis ...Burgess & Richardson 1995

Fig. 1. MS 14, Upper McAdam Brook Member, Gorstian-Ludfordian (sample umb313 slide b, England Finder Number K53\1)

Fig. 2. MS 14, Upper McAdam Brook Member, Gorstian-Ludfordian (sample umb465 slide a, E.F. no. Y47)

Fig. 3. ? cf. Stellatispora inframurinata ..var. cambrensis ....Burgess & Richardson 1995, MS 14, Upper McAdam Brook Member, Gorstian-Ludfordian (sample umb466 slide a, E.F. no. V44\1); x700

Fig. 4. cf. Stellatispora inframurinata var. cambrensis .....Burgess & Richardson 1995, distal focus showing "open" muronate pattern, MS 14, Upper McAdam Brook Member, Gorstian-Ludfordian (sample umb466 slide a, E.F. no. H34\2-H35\1)

Figs. 5-8. Tetrads of cf. Stellatispora inframurinata var. cambrensis ....Burgess & Richardson 1995

Fig. 5. MS 15, Green Moydart Member, Ludfordian (sample gm3145 slide vb, E.F. no. D38\2)

Fig. 6. MS 14, Upper McAdam Brook Member, Gorstian-Ludfordian (sample umb466 slide b, E.F. no. Q49\3-R49\1)

Fig. 7. MS 14, Upper McAdam Brook Member, Gorstian-Ludfordian (sample umb466 slide a, E.F. no. K35\2)

Fig. 8. Trilete spore inflated as if 'recently" derived from a tetrad, MS 14, Upper McAdam Brook Member, Gorstian-Ludfordian (sample umb332 slide AR, E.F. no. D35\2)

Figs. 9-15. cf. Stellatispora inframurinata var. cambrensis ....Burgess & Richardson 1995

Fig. 9. "Open" muronate pattern, MS 14, Upper McAdam Brook Member, Gorstian-Ludfordian (sample umb465 slide a, E.F. no. T47)

Fig. 10. "Open" muronate pattern, MS 14, Upper McAdam Brook Member, Gorstian-Ludfordian (sample umb330 slide a, E.F. no. V33\3)

Fig. 11. "Intermediate" muronate pattern, MS 14, Upper McAdam Brook Member, Gorstian-Ludfordian (sample umb332 slide AR, E.F. no. T40)

Fig. 12. "Anastomosing" muronate pattern, MS 14, Upper McAdam Brook Member, Gorstian-Ludfordian (sample umb332 slide bs, E.F. no. U43)

Fig. 13. SEM showing tattered proximal wall, MS 14, Upper McAdam Brook Member, Gorstian-Ludfordian (sample umb465); x1180

Fig. 14. SEM showing "intermediate" muronate pattern, MS 14, Upper McAdam Brook Member, Gorstian-Ludfordian (sample umb465); x980

Fig. 15. SEM showing "anastomosing" muronate pattern, MS 14, Upper McAdam Brook Member, Gorstian-Ludfordian (sample umb465); x1250

Fig. 16. ? cf. Stellatispora inframurinata var. cambrensis ....Burgess & Richardson 1995, MS 14, Upper McAdam Brook Member, Gorstian-Ludfordian (sample umb465); x940

Fig. 17. cf. Stellatispora inframurinata var. cambrensis ....Burgess & Richardson 1995, SEM, MS 14, Upper McAdam Brook Member, Gorstian-Ludfordian (sample umb465); x1250

Fig. 18. Tetrad of cf. Stellatispora inframurinata var. cambrensis ....Burgess & Richardson 1995, SEM, MS 14, Upper McAdam Brook Member, Gorstian-Ludfordian (sample umb465); x800