Lingula scalprum Clarke 



Fig. I, 2 Dorsal and ventral valves 



Locality: Ponta Grossa, Brazil 



Lingula lepta Clarke 



Fig. 3, 4 Valves showing outline and muscular scars 

 Locality: Ponta Grossa, Brazil 



Lingula keideli Clarke 



Fig. 5, 6 Ventral and dorsal valves 



Locality: Ponta Grossa, Brazil 



Lingula lamella Clarke 



Fig. 7 Conjoined valves 



8 Dorsal valve with trace of median septum 

 Locality: Ponta Grossa, Brazil 



Lingula subpunctata Knod 



Fig. 9 Cast of ventral umbo showing pedicle slit 



Problematicum 



Fig. 10 Figure of a round cystoid body with a submarginal per- 

 foration or puncture from which radiates a pustular 

 ornament, x 2 

 Locality: Jaguariahyva, Brazil 



Clionolithus priscus McCoy 



F'ig. II A series of clavate tubes of this boring sponge in a shell 

 of Ptomatis moreirai. xi.5 

 Locality: Ponta Grossa, Brazil 



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