Plate 27. GLOBIGERINOIDES, PORTICULASPHAERA, ORBULINA, 



GLOBOROTALOIDES 



(All figures X 



Page 



Figures la, b. Globigerinoides bispherica Todd 114 



la, Spiral view of hypotype (USNM PS642). 

 lb, Umbilical view. From the Globigerinatella 

 insueta zone, Cipero formation, Trinidad. 

 Figure 2. Porticulasphaera glomerosa circularis 115 

 (Blow) 



2, Hypotype (USNM P5649). From the 

 Globigerinatella insueta zone, Cipero formation, 

 Trinidad. 



Figure 3. Porticulasphaera transitoria (Blov/) 115 



3, Hypotype (USNM P5650), same locality 

 data as fig. 2. 



Figure 4. Orbulina suturalis ^vonmma.w!\ 115 



4, Hypotype (USNM P5651). From the 

 Globorotalia menardii zone, Lengua formation, 

 Trinidad. 



Figure 5. Orbulina universa d'Orbigny 115 



5, Hypotype (USNM PS6S2). From the 

 Globorotalia mayeri zone, Lengua formation, 

 Trinidad. 



Figure 6. Orbulina bilobata (d'Orbigny) 116 



6, Hypotype (USNM P5653). From the 

 Globorotalia fohsi barisanensis zone, Cipero for- 

 mation, Trinidad. 



Figure 7. Porticulasphaera glomerosa curva (Blow) 115 



7, Hypotype (USNM P5647), same locality 

 data as fig. 2. 



Figure 8. Porticulasphaera glomerosa glomerosa 115 

 (Blow) 



8, Hypotype (USNM P5648), same locality 

 data as fig. 2. 



Figures 9a-13b. Globorotaloides suteri Bolli, new 117 

 species 



9a, Spiral view of medium sized paratype 

 (USNM P5655a). 9b, Umbilical view, showing 

 264 



a "Globigerina" stage. 9c, Side view. 10a, 

 Spiral view of small paratype (USNM P5655b). 

 10b, Umbilical view, showing ''Globorotalia" 

 stage. 11a, Spiral view of small paratype 

 (USNM P5655c). lib. Umbilical view, show- 

 ing "Globigerina" stage. 12a, Spiral view of 

 small paratype (USNM P5655d). 12b, Um- 

 bilical view. 13a, Spiral view of holotype 

 (USNM P5654). 13b, Umbilical view. From 

 the Globigerina ampliapertura zone, Cipero for- 

 mation, Trinidad. 



Figures 14a-c. Globorotaloides cf. suteri Bolli, new 117 

 species 



14a, Spiral view (USNM P5656). 14b, Um- 

 bilical view. 14c, Side view. From the Globi- 

 gerina ampliapertura zone, Cipero formation, 

 Trinidad. 



Figures 15a-20c. Globorotaloides variabilis Bolli, 117 

 new genus, new species 



15a, Spiral view of small paratype (USNM 

 P5658a). 15b, Umbilical view showing "Glo- 

 borotalia" stage. 16a, Spiral view of small para- 

 type (USNM P5658b). 16b, Umbilical view. 

 17a, Spiral view of medium sized paratype 

 (USNM P5658c). 17b, Umbilical view, showing 

 "Globorotalia" stage. 18a, Spiral view of medium 

 sized paratype (USNM P56S8d). 18b, Um- 

 bilical view. 19a, Spiral view of large paratype 

 (USNM P5658e). 19b, Umbilical view, showing 

 "Globigerina" stage. 19c, Side view. 20a, 

 Spiral view of holotype (USNM P5657). 20b, 

 Umbilical view. 20c, Side view. All from the 

 Globorotalia menardii zone, Lengua formation, 

 Trinidad. 



