PLATE 23 



? Dingodinium albertii sp. nov. 

 Fig. 1. Holotype, V.5i7i9(2). highly magnified to show the tubercles. xc.1250. 



Pareodinia ceratophora Deflandre 

 Fig. 2. Specimen V. 51724(4). X500. 



Fromea amphora Cookson & Eisenack 

 Fig. 3. Specimen V. 51732(2). X500. 



Muderongia staurota sp. nov. 

 Fig. 4. Specimen V.5 1724(5), lacking the apex as a result of archaeopyle formation. 



Paranetrelytron strongylum gen. et sp. nov. 

 Fig. 5. Holotype, ^".51722(1), photographed by phase contrast at high magnification to 

 show the separation of endophragm from periphragm. xc.1250. 



Doidyx anaphrissa gen. et sp. nov. 

 Fig. 6. Specimen V. 51720(1), lacking the apex as a result of archaeopyle formation. x 500. 



