Spirifer lauro-sodreanus Katzer 



Fig. 1,2 Two views of the- type specimen 



Locality: Maecuru sandstone, Rio Maecurti, Para 



Spirifer iheringi Kayser 

 (See plate 24) 



Fig. 3 \'entral view of large internal cast 

 4 View of large ventral cast 

 Locality: Tybagy, Brazil 



190 



