Plate 26. GLOBIGERINOIDES, SPHAEROIDINELLA 



Figures la-4. Globigerinoides mitra Todd 114 



la, b, Side views of hypotype (USNM P5640) 

 from the Globorotalia fohsi fohst zone, Cipero 

 formation, Trinidad. 2a, b. Side views of hypo- 

 type (USNM P5639a). 3a, b. Side views of 

 hypotype (USNM P5639b). 4, Side view of 

 hypotype (USNM P5639c). All from the Glo- 

 borotalia menardii zone, Lengua formation, Trini- 

 dad, X 42. 

 Figures 5a-c. Globigerinoides species 114 



5a, Spiral view (USNM PS641). 5b, Umbilical 

 view. 5c, Side view. From the Globorotalia 

 kugleri zone, Cipero formation, Trinidad, X 68. 

 Figures 6a-7b. Sphaeroidinella rutschiCushman a.nd 115 

 Renz 



6a, Spiral view of small hypotype (USNM 

 PS64Sa). 6b, Umbilical view. 7a, Spiral view 

 of hypotype (USNM PS64Sb). 7b, Umbilical 



Page 

 view. Both from the Globorotalia menardii zone, 

 Lengua formation, Trinidad, X 68. 

 Figures 8-12c. Sphaeroidinella grimsdalei {Keljzer) 114 

 8, Umbilical view of very small hypotype 

 (USNM P5643a). 10a, Spiral view of small 

 hypotype (USNM PS643b). 10b, Umbilical 

 view. 11, Umbilical view of hypotype (USNM 

 P5643c). All from the Globorotalia fohsi fohsi 

 zone, Cipero formation, Trinidad. 9, Umbilical 

 view of hypotype (USNM PS644a). 12a, Spiral 

 view of large hypotype (USNM P.S644b). 12b, 

 Umbilical view. 12c, Side view. Both from the 

 Globorotalia niayeri zone, Lengua formation, 

 Trinidad. All X 68. 

 Figures 13a-b. Sphaeroidinella cf. grimsdalei (Keij- 114 

 zer) 



13a, Spiral view of specimen (L'SNM P5646). 

 13b, L'mbilical view. From the Globorotalia 

 menardii zone, Lengua formation, Trinidad, X 68. 



263 



