Plate 23. GLOBIGERINA 



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Figures la-4b. Globigerina rohri Bolli, new species 109 

 la, Spiral view of holotype (USNM PS611). 

 lb, Umbilical view. Ic, Side view. 2a, Spiral 

 view of paratype (USNM PS612a). 2b, Um- 

 bilical view. 3a, Spiral view of paratype (USNM 

 P5612b). 3b, Side view. 4a, Spiral view of 

 small paratype (USNM PS612c). 4b, Umbilical 

 view. All from the Globorotalia opima opima 

 zone, Cipero formation, Trinidad, X 68. 



Figures 5a-c. Globigerina bradyi Wiesner 110 



5a, Spiral view of hypotype (USNM P5619). 

 5b, Umbilical view. 5c, Side view. From the 

 Globorotalia menardii zone, Lengua formation, 

 Trinidad, X 210. 

 260 



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Figures 6a-8b. Globigerina venezuelana Hedberg 110 

 6a, Spiral view of large hypotype (USNM 

 PS613). 6b, Umbilical view. 6c, Side view. 

 From the Globorotalia fohsi robusta zone, Cipero 

 formation, Trinidad. 7a, Spiral view of hypo- 

 type (USNM P561S). 7b, Umbilical view 

 showing rudimentary ultimate chamber. From 

 the Globorotalia fohsi lobata zone, Cipero forma- 

 tion, of Trinidad. 8a, Spiral view of hypotype 

 (USNM PS614). 8b, Umbilical view showing 

 rudimentary ultimate chamber. From the 

 Globorotalia menardii zone, Lengua formation, 

 Trinidad. All X 68. 



