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Plate 2. 



Fig. 1. Hyalonema bianchoratam,. Macramphidisc; x 300. 



Dermal pinule ; x 100. 

 Dermal pinule ; x 100. 

 Dermal pinule ; x 100. 

 Macramphidisc ; x 300. 

 From a photograph ; \. 

 Mesamphidisc; x 300. 

 Macramphidisc; x 300. 

 Micro-oxyhexact ; x 300. 

 Micro-oxyhexact ; x 300 

 Micro-oxyhexact; x 300 



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 16. 



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12. Hyalonema, sp. Micro-oxyhexact; x 300. 



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Macramphidisc; x 300. 

 Mesamphidisc ; x 300. 

 Mesamphidisc ; x 300. 

 Macramphidisc; x 300. 





