Chonetes falklandicus Morris & Sharpe 



Fig. 1-8 A series of views of this species showing its somewhat 

 variable characters. Figures i, 2, 3 are from Port 

 Louis, East Falkland ; figures 5, 7 from Ponta Grossa ; 

 figure 6 is the variety r u g o s a from Ponta Grossa ; 

 figures 4, 8 from Jaguariahyva 



Chonetes skottsbergi Clarke 



Fig. 9 Dorsal aspect of internal cast 



10, II Internal casts of ventral valve 

 12 Interior of dorsal valve 



Locality: Port Salvador, West Falkland 



Schuchertella sancticrucis Clarke 



Fig. 13, 14 Internal casts of dorsal and ventral valves 



Locality: Santa Cruz, state of Sao Paulo, Brazil 



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