lh 



PLATE Ik 

 Samaropsis and Problematica 



Figure 







1 



Samaropsis sp. B 

 ISM 1+161*68 



scale 2:1 



2 



same as fig. 1 



scale 1:1 



3 



Samaropsis sp. C 

 ISM 1+161+62 



scale 2:1 



U 



"Mariopteris" 

 ISM 1+16258 



scale 2:1 



5 



same as fig. 1+ 



scale 1:1 



6 



Holcospermum sp. 

 ISM 1+161+83 



scale 1:1 



7 



same as fig. 6 



scale 2:1 



