PLATE 25 



Cyclonephelium divaricatum sp. nov. 

 Fig. 1. Specimen with apical archaeopyle and processes on all plates, ¥.51956(2). X500. 



Cyclonephelium pastielsi Deflandre & Cookson 

 Fig. 2. Specimen with operculum in place. ¥.51978(1). X500. 

 Cyclonephelium ordinatum sp. nov. 

 Fig. 3. Dorsal view of specimen with apical archaeopyle. ¥.51977(2). X330. 



Areoligera cf. medusettiformis (O. Wetzel) 

 Fig. 4. Dorsal view of specimen with apical archaeopyle, note sulcal notch on the right of 

 the mid-ventral line. ¥.51746(3). x66o. 



Areoligera cf. coronata (O. Wetzel) 

 Fig. 5. Specimen showing the soleate process complexes on the ventral surface. ¥.51756(4). 

 X660. 



Areoligera cf. senonensis Lejeune-Carpentier 

 Fig. 6. Complete specimen. ¥.51757(3). x66o. 



Areoligera coronata (O. Wetzel) 

 Fig. 7. Dorsal view. Processes arranged in soleate complexes, apical archaeopyle. ¥.51959 

 (3)- X500. 



