Plate 9

Plate 9

All figures x750 unless stated otherwise.

Figs. 1-10. cf. Stellatispora inframurinata var. cambrensis .....Burgess & Richardson 1995

Fig. 1. Note fine striae on proximal wall, MS 14, Upper McAdam Brook Member, Gorstian-Ludfordian (sample umb466 slide a, England Finder Number H34\2-H35\1)

Fig. 2. Note fine striae on proximal wall of broken tetrad, MS 14, Upper McAdam Brook Member, Gorstian-Ludfordian (sample umb466 slide b, E.F. no. Q49\3-R49\1)

Fig. 3. Note fine striae on proximal wall, MS 14, Upper McAdam Brook Member, Gorstian-Ludfordian (sample umb466 slide a, E.F. no. X38\4)

Fig. 4. Proximal focus, MS 14, Upper McAdam Brook Member, Gorstian-Ludfordian (sample umb465 slide a, E.F. no. Z43\1)

Fig. 5. Proximal focus, MS 14, Upper McAdam Brook Member, Gorstian-Ludfordian (sample umb466 slide a, E.F. no. M38)

Fig. 6. Proximal focus, MS 14, Upper McAdam Brook Member, Gorstian-Ludfordian (sample umb465 slide a, E.F. no. K43\1)

Fig. 7. SEM, Note the junction between the granular proximal wall and smoother distal wall, MS 14, Upper McAdam Brook Member, Gorstian-Ludfordian (sample umb465); x980

Fig. 8. SEM, proximal wall is characteristically missing and/or tattered, MS 14, Upper McAdam Brook Member, Gorstian-Ludfordian (sample umb465); x900

Fig. 9. SEM, close-up of figure 7, MS 14, Upper McAdam Brook Member, Gorstian-Ludfordian (sample umb465); x10,000

Fig. 10. SEM, close-up of figure 7, MS 14, Upper McAdam Brook Member, Gorstian-Ludfordian (sample umb465); x10,000