PLATE 20 



Wetzeliella (Wetzeliella) condylos sp. nov. 

 Fig. 1. Ventral view of holo type. V.51967. X500. 

 Fig. 2. Specimen with no apical horn. V. 51752(7). X500. 



Wetzeliella (Wetzeliella) symmetrica var. lobisca nov. 

 Fig. 3. Ventral view. V.51970. X330. 



Wetzeliella (Wetzeliella) varielongituda sp. nov. 

 Fig. 4. Holotype. Dorsal view, with operculum slightly displaced. V. 51973. X330. 

 Fig. 8. Dorsal view, operculum inside inner body. V.51971. X330. 



Wetzeliella (Wetzeliella) similis Eisenack 

 Fig. 5. Specimen with pyrite crystals concentrated in the horns. V. 51969. X330. 



Wetzeliella (Wetzeliella) symmetrica Weiler 

 Fig. 6. Dorsal view. V.51974. X330. 



Wetzeliella (Wetzeliella) solida (Gocht) 

 Fig. 7. Specimen with operculum lying within the central body. V. 51968. X330. 



Wetzeliella (Rhombodinium) glabra Cookson 

 Fig. 9. Specimen with periphragm operculum in place. V.5i958(3). X 500. 

 Fig. 10. Specimen with operculum missing. Periphragm has been colonized by fungi. 

 V.51972. X500. 



