40 



PLATE 5 

 Myriotheca scaberrima (Lesquereux, 1870) Sellards, 1902, p. 12 



Figure 



1 Specimen ISM 15728b; scale 1:1 



2 Specimen ISM 15728b; scale 5:1 



Spores of Myriotheca scaberrima (correlated with: Camptotriletes triangularis ) 



Figure 



3 Specimen ISM 15728a; negative 8539; coordinates 139.5 x 53.7; size 

 34.1 x 32.5 M-m; scale 1000:1 . Focus on the proximal surface of the spore 



4 Specimen ISM 15728a; negative 8541; same spore as Fig. 3. Focus on 

 the equator of the spore. 



5 Specimen ISM 15728a; negative 8540; same spore as Fig. 3. Focus on 

 the distal surface of the spore. 



6 Specimen ISM 15728a; negative 8538; coordinates 144.5 x 53.6; size 

 36.4 x 34.1 i-im; scale 1000:1. Focus on the distal surface of the spore. 



7 Specimen ISM 15728a; scale 1200:1; scanning electron micrograph. 



